Home / 1,344,008.80-2,013,248.40-679,535.20

Finding the Fourth Proportional to 1,344,008.80, 2,013,248.40 and 679,535.20

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Solution

The fourth proportional to 1,344,008.80, 2,013,248.40 and 679,535.20 is: 1,017,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,008.80 : 2,013,248.40 = 679,535.20 : x
  2. Step 2: Convert to fraction form
    1,344,008.80/2,013,248.40 = 679,535.20/x
  3. Step 3: Cross multiply
    1,344,008.80x = 2,013,248.40 × 679,535.20
  4. Step 4: Simplify right side
    1,344,008.80x = 1,368,073,154,143.68
  5. Step 5: Solve for x
    x = 1,368,073,154,143.68/1,344,008.80
  6. Step 6: Final answer
    x = 1,017,904.91

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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.