Home / 1,215,038.46-1,676,683.59-725,560.30

Finding the Fourth Proportional to 1,215,038.46, 1,676,683.59 and 725,560.30

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Solution

The fourth proportional to 1,215,038.46, 1,676,683.59 and 725,560.30 is: 1,001,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,038.46 : 1,676,683.59 = 725,560.30 : x
  2. Step 2: Convert to fraction form
    1,215,038.46/1,676,683.59 = 725,560.30/x
  3. Step 3: Cross multiply
    1,215,038.46x = 1,676,683.59 × 725,560.30
  4. Step 4: Simplify right side
    1,215,038.46x = 1,216,535,048,565.48
  5. Step 5: Solve for x
    x = 1,216,535,048,565.48/1,215,038.46
  6. Step 6: Final answer
    x = 1,001,231.72

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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.