Home / 1,137,479.38-1,569,000.70-864,949.80

Finding the Fourth Proportional to 1,137,479.38, 1,569,000.70 and 864,949.80

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Solution

The fourth proportional to 1,137,479.38, 1,569,000.70 and 864,949.80 is: 1,193,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,479.38 : 1,569,000.70 = 864,949.80 : x
  2. Step 2: Convert to fraction form
    1,137,479.38/1,569,000.70 = 864,949.80/x
  3. Step 3: Cross multiply
    1,137,479.38x = 1,569,000.70 × 864,949.80
  4. Step 4: Simplify right side
    1,137,479.38x = 1,357,106,841,664.86
  5. Step 5: Solve for x
    x = 1,357,106,841,664.86/1,137,479.38
  6. Step 6: Final answer
    x = 1,193,082.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.