Home / 1,001,568.12-1,382,165.39-542,687.67

Finding the Fourth Proportional to 1,001,568.12, 1,382,165.39 and 542,687.67

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Solution

The fourth proportional to 1,001,568.12, 1,382,165.39 and 542,687.67 is: 748,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,568.12 : 1,382,165.39 = 542,687.67 : x
  2. Step 2: Convert to fraction form
    1,001,568.12/1,382,165.39 = 542,687.67/x
  3. Step 3: Cross multiply
    1,001,568.12x = 1,382,165.39 × 542,687.67
  4. Step 4: Simplify right side
    1,001,568.12x = 750,084,116,410.46
  5. Step 5: Solve for x
    x = 750,084,116,410.46/1,001,568.12
  6. Step 6: Final answer
    x = 748,909.74

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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.