Home / 1,267,079.46-1,748,695.14-723,297.11

Finding the Fourth Proportional to 1,267,079.46, 1,748,695.14 and 723,297.11

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Solution

The fourth proportional to 1,267,079.46, 1,748,695.14 and 723,297.11 is: 998,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,079.46 : 1,748,695.14 = 723,297.11 : x
  2. Step 2: Convert to fraction form
    1,267,079.46/1,748,695.14 = 723,297.11/x
  3. Step 3: Cross multiply
    1,267,079.46x = 1,748,695.14 × 723,297.11
  4. Step 4: Simplify right side
    1,267,079.46x = 1,264,826,132,289.57
  5. Step 5: Solve for x
    x = 1,264,826,132,289.57/1,267,079.46
  6. Step 6: Final answer
    x = 998,221.64

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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.