Home / 1,034,502.40-1,428,510.36-763,040.80

Finding the Fourth Proportional to 1,034,502.40, 1,428,510.36 and 763,040.80

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Solution

The fourth proportional to 1,034,502.40, 1,428,510.36 and 763,040.80 is: 1,053,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,502.40 : 1,428,510.36 = 763,040.80 : x
  2. Step 2: Convert to fraction form
    1,034,502.40/1,428,510.36 = 763,040.80/x
  3. Step 3: Cross multiply
    1,034,502.40x = 1,428,510.36 × 763,040.80
  4. Step 4: Simplify right side
    1,034,502.40x = 1,090,011,687,902.69
  5. Step 5: Solve for x
    x = 1,090,011,687,902.69/1,034,502.40
  6. Step 6: Final answer
    x = 1,053,657.96

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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.