Home / 1,267,680.57-1,749,334.10-723,710.10

Finding the Fourth Proportional to 1,267,680.57, 1,749,334.10 and 723,710.10

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Solution

The fourth proportional to 1,267,680.57, 1,749,334.10 and 723,710.10 is: 998,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,680.57 : 1,749,334.10 = 723,710.10 : x
  2. Step 2: Convert to fraction form
    1,267,680.57/1,749,334.10 = 723,710.10/x
  3. Step 3: Cross multiply
    1,267,680.57x = 1,749,334.10 × 723,710.10
  4. Step 4: Simplify right side
    1,267,680.57x = 1,266,010,759,385.86
  5. Step 5: Solve for x
    x = 1,266,010,759,385.86/1,267,680.57
  6. Step 6: Final answer
    x = 998,682.79

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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.