Home / 1,010,345.75-1,394,277.12-688,617.89

Finding the Fourth Proportional to 1,010,345.75, 1,394,277.12 and 688,617.89

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Solution

The fourth proportional to 1,010,345.75, 1,394,277.12 and 688,617.89 is: 950,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,345.75 : 1,394,277.12 = 688,617.89 : x
  2. Step 2: Convert to fraction form
    1,010,345.75/1,394,277.12 = 688,617.89/x
  3. Step 3: Cross multiply
    1,010,345.75x = 1,394,277.12 × 688,617.89
  4. Step 4: Simplify right side
    1,010,345.75x = 960,124,161,478.29
  5. Step 5: Solve for x
    x = 960,124,161,478.29/1,010,345.75
  6. Step 6: Final answer
    x = 950,292.68

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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.