Home / 1,437,008.27-2,155,928.45-426,154.55

Finding the Fourth Proportional to 1,437,008.27, 2,155,928.45 and 426,154.55

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Solution

The fourth proportional to 1,437,008.27, 2,155,928.45 and 426,154.55 is: 639,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,008.27 : 2,155,928.45 = 426,154.55 : x
  2. Step 2: Convert to fraction form
    1,437,008.27/2,155,928.45 = 426,154.55/x
  3. Step 3: Cross multiply
    1,437,008.27x = 2,155,928.45 × 426,154.55
  4. Step 4: Simplify right side
    1,437,008.27x = 918,758,715,508.10
  5. Step 5: Solve for x
    x = 918,758,715,508.10/1,437,008.27
  6. Step 6: Final answer
    x = 639,355.20

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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.