Home / 1,221,755.40-1,832,633.10-771,014.70

Finding the Fourth Proportional to 1,221,755.40, 1,832,633.10 and 771,014.70

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Solution

The fourth proportional to 1,221,755.40, 1,832,633.10 and 771,014.70 is: 1,156,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,755.40 : 1,832,633.10 = 771,014.70 : x
  2. Step 2: Convert to fraction form
    1,221,755.40/1,832,633.10 = 771,014.70/x
  3. Step 3: Cross multiply
    1,221,755.40x = 1,832,633.10 × 771,014.70
  4. Step 4: Simplify right side
    1,221,755.40x = 1,412,987,059,806.57
  5. Step 5: Solve for x
    x = 1,412,987,059,806.57/1,221,755.40
  6. Step 6: Final answer
    x = 1,156,522.05

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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.