Home / 1,587,811.18-2,381,713.10-689,136.42

Finding the Fourth Proportional to 1,587,811.18, 2,381,713.10 and 689,136.42

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Solution

The fourth proportional to 1,587,811.18, 2,381,713.10 and 689,136.42 is: 1,033,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,811.18 : 2,381,713.10 = 689,136.42 : x
  2. Step 2: Convert to fraction form
    1,587,811.18/2,381,713.10 = 689,136.42/x
  3. Step 3: Cross multiply
    1,587,811.18x = 2,381,713.10 × 689,136.42
  4. Step 4: Simplify right side
    1,587,811.18x = 1,641,325,239,201.10
  5. Step 5: Solve for x
    x = 1,641,325,239,201.10/1,587,811.18
  6. Step 6: Final answer
    x = 1,033,703.04

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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.