Home / 1,145,870.03-1,580,747.76-763,407.47

Finding the Fourth Proportional to 1,145,870.03, 1,580,747.76 and 763,407.47

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Solution

The fourth proportional to 1,145,870.03, 1,580,747.76 and 763,407.47 is: 1,053,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,870.03 : 1,580,747.76 = 763,407.47 : x
  2. Step 2: Convert to fraction form
    1,145,870.03/1,580,747.76 = 763,407.47/x
  3. Step 3: Cross multiply
    1,145,870.03x = 1,580,747.76 × 763,407.47
  4. Step 4: Simplify right side
    1,145,870.03x = 1,206,754,652,121.64
  5. Step 5: Solve for x
    x = 1,206,754,652,121.64/1,145,870.03
  6. Step 6: Final answer
    x = 1,053,133.97

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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.