Home / 1,586,454.85-2,380,092.34-687,688.98

Finding the Fourth Proportional to 1,586,454.85, 2,380,092.34 and 687,688.98

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Solution

The fourth proportional to 1,586,454.85, 2,380,092.34 and 687,688.98 is: 1,031,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,454.85 : 2,380,092.34 = 687,688.98 : x
  2. Step 2: Convert to fraction form
    1,586,454.85/2,380,092.34 = 687,688.98/x
  3. Step 3: Cross multiply
    1,586,454.85x = 2,380,092.34 × 687,688.98
  4. Step 4: Simplify right side
    1,586,454.85x = 1,636,763,273,600.41
  5. Step 5: Solve for x
    x = 1,636,763,273,600.41/1,586,454.85
  6. Step 6: Final answer
    x = 1,031,711.22

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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.