Home / 1,417,342.20-1,955,941.08-772,773.12

Finding the Fourth Proportional to 1,417,342.20, 1,955,941.08 and 772,773.12

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Solution

The fourth proportional to 1,417,342.20, 1,955,941.08 and 772,773.12 is: 1,066,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,342.20 : 1,955,941.08 = 772,773.12 : x
  2. Step 2: Convert to fraction form
    1,417,342.20/1,955,941.08 = 772,773.12/x
  3. Step 3: Cross multiply
    1,417,342.20x = 1,955,941.08 × 772,773.12
  4. Step 4: Simplify right side
    1,417,342.20x = 1,511,498,690,927.77
  5. Step 5: Solve for x
    x = 1,511,498,690,927.77/1,417,342.20
  6. Step 6: Final answer
    x = 1,066,431.73

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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.