Home / 1,019,610.12-1,406,711.52-632,286.30

Finding the Fourth Proportional to 1,019,610.12, 1,406,711.52 and 632,286.30

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Solution

The fourth proportional to 1,019,610.12, 1,406,711.52 and 632,286.30 is: 872,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,610.12 : 1,406,711.52 = 632,286.30 : x
  2. Step 2: Convert to fraction form
    1,019,610.12/1,406,711.52 = 632,286.30/x
  3. Step 3: Cross multiply
    1,019,610.12x = 1,406,711.52 × 632,286.30
  4. Step 4: Simplify right side
    1,019,610.12x = 889,444,422,148.18
  5. Step 5: Solve for x
    x = 889,444,422,148.18/1,019,610.12
  6. Step 6: Final answer
    x = 872,337.77

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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.