Home / 1,587,827.31-2,381,737.26-689,152.56

Finding the Fourth Proportional to 1,587,827.31, 2,381,737.26 and 689,152.56

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Solution

The fourth proportional to 1,587,827.31, 2,381,737.26 and 689,152.56 is: 1,033,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,827.31 : 2,381,737.26 = 689,152.56 : x
  2. Step 2: Convert to fraction form
    1,587,827.31/2,381,737.26 = 689,152.56/x
  3. Step 3: Cross multiply
    1,587,827.31x = 2,381,737.26 × 689,152.56
  4. Step 4: Simplify right side
    1,587,827.31x = 1,641,380,329,976.39
  5. Step 5: Solve for x
    x = 1,641,380,329,976.39/1,587,827.31
  6. Step 6: Final answer
    x = 1,033,727.23

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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.