Home / 1,381,337.80-2,072,006.70-434,998.60

Finding the Fourth Proportional to 1,381,337.80, 2,072,006.70 and 434,998.60

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Solution

The fourth proportional to 1,381,337.80, 2,072,006.70 and 434,998.60 is: 652,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,337.80 : 2,072,006.70 = 434,998.60 : x
  2. Step 2: Convert to fraction form
    1,381,337.80/2,072,006.70 = 434,998.60/x
  3. Step 3: Cross multiply
    1,381,337.80x = 2,072,006.70 × 434,998.60
  4. Step 4: Simplify right side
    1,381,337.80x = 901,320,013,690.62
  5. Step 5: Solve for x
    x = 901,320,013,690.62/1,381,337.80
  6. Step 6: Final answer
    x = 652,497.90

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Similar ratio
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1.5x scale

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.