Home / 1,001,642.10-1,382,744.88-571,839.21

Finding the Fourth Proportional to 1,001,642.10, 1,382,744.88 and 571,839.21

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Solution

The fourth proportional to 1,001,642.10, 1,382,744.88 and 571,839.21 is: 789,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,642.10 : 1,382,744.88 = 571,839.21 : x
  2. Step 2: Convert to fraction form
    1,001,642.10/1,382,744.88 = 571,839.21/x
  3. Step 3: Cross multiply
    1,001,642.10x = 1,382,744.88 × 571,839.21
  4. Step 4: Simplify right side
    1,001,642.10x = 790,707,739,810.75
  5. Step 5: Solve for x
    x = 790,707,739,810.75/1,001,642.10
  6. Step 6: Final answer
    x = 789,411.45

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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.