Home / 1,588,657.46-2,381,646.86-689,421.78

Finding the Fourth Proportional to 1,588,657.46, 2,381,646.86 and 689,421.78

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Solution

The fourth proportional to 1,588,657.46, 2,381,646.86 and 689,421.78 is: 1,033,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,657.46 : 2,381,646.86 = 689,421.78 : x
  2. Step 2: Convert to fraction form
    1,588,657.46/2,381,646.86 = 689,421.78/x
  3. Step 3: Cross multiply
    1,588,657.46x = 2,381,646.86 × 689,421.78
  4. Step 4: Simplify right side
    1,588,657.46x = 1,641,959,217,552.61
  5. Step 5: Solve for x
    x = 1,641,959,217,552.61/1,588,657.46
  6. Step 6: Final answer
    x = 1,033,551.45

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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.