Home / 1,143,780.30-1,714,473.33-385,359.75

Finding the Fourth Proportional to 1,143,780.30, 1,714,473.33 and 385,359.75

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Solution

The fourth proportional to 1,143,780.30, 1,714,473.33 and 385,359.75 is: 577,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,780.30 : 1,714,473.33 = 385,359.75 : x
  2. Step 2: Convert to fraction form
    1,143,780.30/1,714,473.33 = 385,359.75/x
  3. Step 3: Cross multiply
    1,143,780.30x = 1,714,473.33 × 385,359.75
  4. Step 4: Simplify right side
    1,143,780.30x = 660,689,013,830.47
  5. Step 5: Solve for x
    x = 660,689,013,830.47/1,143,780.30
  6. Step 6: Final answer
    x = 577,636.29

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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.