Home / 1,465,288.20-2,197,640.70-707,128.20

Finding the Fourth Proportional to 1,465,288.20, 2,197,640.70 and 707,128.20

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Solution

The fourth proportional to 1,465,288.20, 2,197,640.70 and 707,128.20 is: 1,060,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,288.20 : 2,197,640.70 = 707,128.20 : x
  2. Step 2: Convert to fraction form
    1,465,288.20/2,197,640.70 = 707,128.20/x
  3. Step 3: Cross multiply
    1,465,288.20x = 2,197,640.70 × 707,128.20
  4. Step 4: Simplify right side
    1,465,288.20x = 1,554,013,712,437.74
  5. Step 5: Solve for x
    x = 1,554,013,712,437.74/1,465,288.20
  6. Step 6: Final answer
    x = 1,060,551.58

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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.