Home / 1,221,350.10-1,832,025.15-772,577.70

Finding the Fourth Proportional to 1,221,350.10, 1,832,025.15 and 772,577.70

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Solution

The fourth proportional to 1,221,350.10, 1,832,025.15 and 772,577.70 is: 1,158,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,350.10 : 1,832,025.15 = 772,577.70 : x
  2. Step 2: Convert to fraction form
    1,221,350.10/1,832,025.15 = 772,577.70/x
  3. Step 3: Cross multiply
    1,221,350.10x = 1,832,025.15 × 772,577.70
  4. Step 4: Simplify right side
    1,221,350.10x = 1,415,381,776,729.15
  5. Step 5: Solve for x
    x = 1,415,381,776,729.15/1,221,350.10
  6. Step 6: Final answer
    x = 1,158,866.55

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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.