Home / 1,149,775.28-1,587,347.58-763,115.06

Finding the Fourth Proportional to 1,149,775.28, 1,587,347.58 and 763,115.06

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Solution

The fourth proportional to 1,149,775.28, 1,587,347.58 and 763,115.06 is: 1,053,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,775.28 : 1,587,347.58 = 763,115.06 : x
  2. Step 2: Convert to fraction form
    1,149,775.28/1,587,347.58 = 763,115.06/x
  3. Step 3: Cross multiply
    1,149,775.28x = 1,587,347.58 × 763,115.06
  4. Step 4: Simplify right side
    1,149,775.28x = 1,211,328,843,752.56
  5. Step 5: Solve for x
    x = 1,211,328,843,752.56/1,149,775.28
  6. Step 6: Final answer
    x = 1,053,535.30

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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.