Home / 1,001,689.34-1,382,062.30-571,883.90

Finding the Fourth Proportional to 1,001,689.34, 1,382,062.30 and 571,883.90

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Solution

The fourth proportional to 1,001,689.34, 1,382,062.30 and 571,883.90 is: 789,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,689.34 : 1,382,062.30 = 571,883.90 : x
  2. Step 2: Convert to fraction form
    1,001,689.34/1,382,062.30 = 571,883.90/x
  3. Step 3: Cross multiply
    1,001,689.34x = 1,382,062.30 × 571,883.90
  4. Step 4: Simplify right side
    1,001,689.34x = 790,379,169,826.95
  5. Step 5: Solve for x
    x = 790,379,169,826.95/1,001,689.34
  6. Step 6: Final answer
    x = 789,046.21

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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.