Home / 1,229,337.43-1,696,443.74-678,074.98

Finding the Fourth Proportional to 1,229,337.43, 1,696,443.74 and 678,074.98

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Solution

The fourth proportional to 1,229,337.43, 1,696,443.74 and 678,074.98 is: 935,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,337.43 : 1,696,443.74 = 678,074.98 : x
  2. Step 2: Convert to fraction form
    1,229,337.43/1,696,443.74 = 678,074.98/x
  3. Step 3: Cross multiply
    1,229,337.43x = 1,696,443.74 × 678,074.98
  4. Step 4: Simplify right side
    1,229,337.43x = 1,150,316,046,589.41
  5. Step 5: Solve for x
    x = 1,150,316,046,589.41/1,229,337.43
  6. Step 6: Final answer
    x = 935,720.35

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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.