Home / 1,207,392.30-1,812,254.85-735,000.30

Finding the Fourth Proportional to 1,207,392.30, 1,812,254.85 and 735,000.30

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Solution

The fourth proportional to 1,207,392.30, 1,812,254.85 and 735,000.30 is: 1,103,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,392.30 : 1,812,254.85 = 735,000.30 : x
  2. Step 2: Convert to fraction form
    1,207,392.30/1,812,254.85 = 735,000.30/x
  3. Step 3: Cross multiply
    1,207,392.30x = 1,812,254.85 × 735,000.30
  4. Step 4: Simplify right side
    1,207,392.30x = 1,332,007,858,426.46
  5. Step 5: Solve for x
    x = 1,332,007,858,426.46/1,207,392.30
  6. Step 6: Final answer
    x = 1,103,210.50

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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.