Home / 1,356,648.52-1,872,081.28-752,989

Finding the Fourth Proportional to 1,356,648.52, 1,872,081.28 and 752,989

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Solution

The fourth proportional to 1,356,648.52, 1,872,081.28 and 752,989 is: 1,039,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,648.52 : 1,872,081.28 = 752,989 : x
  2. Step 2: Convert to fraction form
    1,356,648.52/1,872,081.28 = 752,989/x
  3. Step 3: Cross multiply
    1,356,648.52x = 1,872,081.28 × 752,989
  4. Step 4: Simplify right side
    1,356,648.52x = 1,409,656,610,945.92
  5. Step 5: Solve for x
    x = 1,409,656,610,945.92/1,356,648.52
  6. Step 6: Final answer
    x = 1,039,072.83

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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.