Home / 1,109,225.40-1,663,838.10-361,271.40

Finding the Fourth Proportional to 1,109,225.40, 1,663,838.10 and 361,271.40

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Solution

The fourth proportional to 1,109,225.40, 1,663,838.10 and 361,271.40 is: 541,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,225.40 : 1,663,838.10 = 361,271.40 : x
  2. Step 2: Convert to fraction form
    1,109,225.40/1,663,838.10 = 361,271.40/x
  3. Step 3: Cross multiply
    1,109,225.40x = 1,663,838.10 × 361,271.40
  4. Step 4: Simplify right side
    1,109,225.40x = 601,097,119,760.34
  5. Step 5: Solve for x
    x = 601,097,119,760.34/1,109,225.40
  6. Step 6: Final answer
    x = 541,907.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.