Home / 874,923.40-1,312,385.10-725,624.20

Finding the Fourth Proportional to 874,923.40, 1,312,385.10 and 725,624.20

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Solution

The fourth proportional to 874,923.40, 1,312,385.10 and 725,624.20 is: 1,088,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,923.40 : 1,312,385.10 = 725,624.20 : x
  2. Step 2: Convert to fraction form
    874,923.40/1,312,385.10 = 725,624.20/x
  3. Step 3: Cross multiply
    874,923.40x = 1,312,385.10 × 725,624.20
  4. Step 4: Simplify right side
    874,923.40x = 952,298,388,279.42
  5. Step 5: Solve for x
    x = 952,298,388,279.42/874,923.40
  6. Step 6: Final answer
    x = 1,088,436.30

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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.