Home / 1,138,304.32-1,707,751.58-605,387

Finding the Fourth Proportional to 1,138,304.32, 1,707,751.58 and 605,387

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Solution

The fourth proportional to 1,138,304.32, 1,707,751.58 and 605,387 is: 908,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,304.32 : 1,707,751.58 = 605,387 : x
  2. Step 2: Convert to fraction form
    1,138,304.32/1,707,751.58 = 605,387/x
  3. Step 3: Cross multiply
    1,138,304.32x = 1,707,751.58 × 605,387
  4. Step 4: Simplify right side
    1,138,304.32x = 1,033,850,605,761.46
  5. Step 5: Solve for x
    x = 1,033,850,605,761.46/1,138,304.32
  6. Step 6: Final answer
    x = 908,237.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.