Home / 1,227,392.72-1,693,775.48-676,123.86

Finding the Fourth Proportional to 1,227,392.72, 1,693,775.48 and 676,123.86

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Solution

The fourth proportional to 1,227,392.72, 1,693,775.48 and 676,123.86 is: 933,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,392.72 : 1,693,775.48 = 676,123.86 : x
  2. Step 2: Convert to fraction form
    1,227,392.72/1,693,775.48 = 676,123.86/x
  3. Step 3: Cross multiply
    1,227,392.72x = 1,693,775.48 × 676,123.86
  4. Step 4: Simplify right side
    1,227,392.72x = 1,145,202,015,510.95
  5. Step 5: Solve for x
    x = 1,145,202,015,510.95/1,227,392.72
  6. Step 6: Final answer
    x = 933,036.34

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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.