Home / 783,000.40-1,176,250.20-753,257.20

Finding the Fourth Proportional to 783,000.40, 1,176,250.20 and 753,257.20

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Solution

The fourth proportional to 783,000.40, 1,176,250.20 and 753,257.20 is: 1,131,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,000.40 : 1,176,250.20 = 753,257.20 : x
  2. Step 2: Convert to fraction form
    783,000.40/1,176,250.20 = 753,257.20/x
  3. Step 3: Cross multiply
    783,000.40x = 1,176,250.20 × 753,257.20
  4. Step 4: Simplify right side
    783,000.40x = 886,018,932,151.44
  5. Step 5: Solve for x
    x = 886,018,932,151.44/783,000.40
  6. Step 6: Final answer
    x = 1,131,568.94

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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.