Home / 1,310,125.20-1,808,008.08-737,185.68

Finding the Fourth Proportional to 1,310,125.20, 1,808,008.08 and 737,185.68

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Solution

The fourth proportional to 1,310,125.20, 1,808,008.08 and 737,185.68 is: 1,017,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,125.20 : 1,808,008.08 = 737,185.68 : x
  2. Step 2: Convert to fraction form
    1,310,125.20/1,808,008.08 = 737,185.68/x
  3. Step 3: Cross multiply
    1,310,125.20x = 1,808,008.08 × 737,185.68
  4. Step 4: Simplify right side
    1,310,125.20x = 1,332,837,665,900.29
  5. Step 5: Solve for x
    x = 1,332,837,665,900.29/1,310,125.20
  6. Step 6: Final answer
    x = 1,017,336.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.