Home / 1,515,065.40-2,272,598.10-393,134.40

Finding the Fourth Proportional to 1,515,065.40, 2,272,598.10 and 393,134.40

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Solution

The fourth proportional to 1,515,065.40, 2,272,598.10 and 393,134.40 is: 589,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,065.40 : 2,272,598.10 = 393,134.40 : x
  2. Step 2: Convert to fraction form
    1,515,065.40/2,272,598.10 = 393,134.40/x
  3. Step 3: Cross multiply
    1,515,065.40x = 2,272,598.10 × 393,134.40
  4. Step 4: Simplify right side
    1,515,065.40x = 893,436,490,484.64
  5. Step 5: Solve for x
    x = 893,436,490,484.64/1,515,065.40
  6. Step 6: Final answer
    x = 589,701.60

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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.