Home / 1,256,280.30-1,884,420.45-498,302.55

Finding the Fourth Proportional to 1,256,280.30, 1,884,420.45 and 498,302.55

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Solution

The fourth proportional to 1,256,280.30, 1,884,420.45 and 498,302.55 is: 747,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,280.30 : 1,884,420.45 = 498,302.55 : x
  2. Step 2: Convert to fraction form
    1,256,280.30/1,884,420.45 = 498,302.55/x
  3. Step 3: Cross multiply
    1,256,280.30x = 1,884,420.45 × 498,302.55
  4. Step 4: Simplify right side
    1,256,280.30x = 939,011,515,507.15
  5. Step 5: Solve for x
    x = 939,011,515,507.15/1,256,280.30
  6. Step 6: Final answer
    x = 747,453.83

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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.