Home / 1,418,446.80-2,127,864.60-471,718.80

Finding the Fourth Proportional to 1,418,446.80, 2,127,864.60 and 471,718.80

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Solution

The fourth proportional to 1,418,446.80, 2,127,864.60 and 471,718.80 is: 707,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,446.80 : 2,127,864.60 = 471,718.80 : x
  2. Step 2: Convert to fraction form
    1,418,446.80/2,127,864.60 = 471,718.80/x
  3. Step 3: Cross multiply
    1,418,446.80x = 2,127,864.60 × 471,718.80
  4. Step 4: Simplify right side
    1,418,446.80x = 1,003,753,735,674.48
  5. Step 5: Solve for x
    x = 1,003,753,735,674.48/1,418,446.80
  6. Step 6: Final answer
    x = 707,642.85

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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.