Home / 1,226,613.39-1,692,726.57-682,737.48

Finding the Fourth Proportional to 1,226,613.39, 1,692,726.57 and 682,737.48

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Solution

The fourth proportional to 1,226,613.39, 1,692,726.57 and 682,737.48 is: 942,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,613.39 : 1,692,726.57 = 682,737.48 : x
  2. Step 2: Convert to fraction form
    1,226,613.39/1,692,726.57 = 682,737.48/x
  3. Step 3: Cross multiply
    1,226,613.39x = 1,692,726.57 × 682,737.48
  4. Step 4: Simplify right side
    1,226,613.39x = 1,155,687,872,730.84
  5. Step 5: Solve for x
    x = 1,155,687,872,730.84/1,226,613.39
  6. Step 6: Final answer
    x = 942,177.77

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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.