Home / 1,010,345.25-1,394,276.43-688,617.39

Finding the Fourth Proportional to 1,010,345.25, 1,394,276.43 and 688,617.39

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Solution

The fourth proportional to 1,010,345.25, 1,394,276.43 and 688,617.39 is: 950,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,345.25 : 1,394,276.43 = 688,617.39 : x
  2. Step 2: Convert to fraction form
    1,010,345.25/1,394,276.43 = 688,617.39/x
  3. Step 3: Cross multiply
    1,010,345.25x = 1,394,276.43 × 688,617.39
  4. Step 4: Simplify right side
    1,010,345.25x = 960,122,996,165.12
  5. Step 5: Solve for x
    x = 960,122,996,165.12/1,010,345.25
  6. Step 6: Final answer
    x = 950,291.99

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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.