Home / 1,225,280.52-1,836,666.90-425,906.10

Finding the Fourth Proportional to 1,225,280.52, 1,836,666.90 and 425,906.10

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Solution

The fourth proportional to 1,225,280.52, 1,836,666.90 and 425,906.10 is: 638,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,280.52 : 1,836,666.90 = 425,906.10 : x
  2. Step 2: Convert to fraction form
    1,225,280.52/1,836,666.90 = 425,906.10/x
  3. Step 3: Cross multiply
    1,225,280.52x = 1,836,666.90 × 425,906.10
  4. Step 4: Simplify right side
    1,225,280.52x = 782,247,636,378.09
  5. Step 5: Solve for x
    x = 782,247,636,378.09/1,225,280.52
  6. Step 6: Final answer
    x = 638,423.30

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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.