Home / 1,118,154.90-1,677,232.35-370,200.90

Finding the Fourth Proportional to 1,118,154.90, 1,677,232.35 and 370,200.90

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Solution

The fourth proportional to 1,118,154.90, 1,677,232.35 and 370,200.90 is: 555,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,154.90 : 1,677,232.35 = 370,200.90 : x
  2. Step 2: Convert to fraction form
    1,118,154.90/1,677,232.35 = 370,200.90/x
  3. Step 3: Cross multiply
    1,118,154.90x = 1,677,232.35 × 370,200.90
  4. Step 4: Simplify right side
    1,118,154.90x = 620,912,925,479.12
  5. Step 5: Solve for x
    x = 620,912,925,479.12/1,118,154.90
  6. Step 6: Final answer
    x = 555,301.35

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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.