Home / 1,437,132.16-1,983,158.40-825,143.68

Finding the Fourth Proportional to 1,437,132.16, 1,983,158.40 and 825,143.68

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Solution

The fourth proportional to 1,437,132.16, 1,983,158.40 and 825,143.68 is: 1,138,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,132.16 : 1,983,158.40 = 825,143.68 : x
  2. Step 2: Convert to fraction form
    1,437,132.16/1,983,158.40 = 825,143.68/x
  3. Step 3: Cross multiply
    1,437,132.16x = 1,983,158.40 × 825,143.68
  4. Step 4: Simplify right side
    1,437,132.16x = 1,636,390,620,198.91
  5. Step 5: Solve for x
    x = 1,636,390,620,198.91/1,437,132.16
  6. Step 6: Final answer
    x = 1,138,650.06

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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.