Home / 1,010,427-1,394,389.38-557,718.12

Finding the Fourth Proportional to 1,010,427, 1,394,389.38 and 557,718.12

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Solution

The fourth proportional to 1,010,427, 1,394,389.38 and 557,718.12 is: 769,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,427 : 1,394,389.38 = 557,718.12 : x
  2. Step 2: Convert to fraction form
    1,010,427/1,394,389.38 = 557,718.12/x
  3. Step 3: Cross multiply
    1,010,427x = 1,394,389.38 × 557,718.12
  4. Step 4: Simplify right side
    1,010,427x = 777,676,223,561.57
  5. Step 5: Solve for x
    x = 777,676,223,561.57/1,010,427
  6. Step 6: Final answer
    x = 769,651.07

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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.