Home / 1,010,209.92-1,514,868.48-378,680.72

Finding the Fourth Proportional to 1,010,209.92, 1,514,868.48 and 378,680.72

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Solution

The fourth proportional to 1,010,209.92, 1,514,868.48 and 378,680.72 is: 567,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,209.92 : 1,514,868.48 = 378,680.72 : x
  2. Step 2: Convert to fraction form
    1,010,209.92/1,514,868.48 = 378,680.72/x
  3. Step 3: Cross multiply
    1,010,209.92x = 1,514,868.48 × 378,680.72
  4. Step 4: Simplify right side
    1,010,209.92x = 573,651,486,711.71
  5. Step 5: Solve for x
    x = 573,651,486,711.71/1,010,209.92
  6. Step 6: Final answer
    x = 567,853.75

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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.