Home / 1,247,476.50-1,870,932.56-572,909.34

Finding the Fourth Proportional to 1,247,476.50, 1,870,932.56 and 572,909.34

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Solution

The fourth proportional to 1,247,476.50, 1,870,932.56 and 572,909.34 is: 859,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,476.50 : 1,870,932.56 = 572,909.34 : x
  2. Step 2: Convert to fraction form
    1,247,476.50/1,870,932.56 = 572,909.34/x
  3. Step 3: Cross multiply
    1,247,476.50x = 1,870,932.56 × 572,909.34
  4. Step 4: Simplify right side
    1,247,476.50x = 1,071,874,735,269.56
  5. Step 5: Solve for x
    x = 1,071,874,735,269.56/1,247,476.50
  6. Step 6: Final answer
    x = 859,234.41

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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.