Home / 774,616.80-1,161,925.20-745,092.30

Finding the Fourth Proportional to 774,616.80, 1,161,925.20 and 745,092.30

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Solution

The fourth proportional to 774,616.80, 1,161,925.20 and 745,092.30 is: 1,117,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,616.80 : 1,161,925.20 = 745,092.30 : x
  2. Step 2: Convert to fraction form
    774,616.80/1,161,925.20 = 745,092.30/x
  3. Step 3: Cross multiply
    774,616.80x = 1,161,925.20 × 745,092.30
  4. Step 4: Simplify right side
    774,616.80x = 865,741,519,695.96
  5. Step 5: Solve for x
    x = 865,741,519,695.96/774,616.80
  6. Step 6: Final answer
    x = 1,117,638.45

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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.