Home / 1,102,264.31-1,521,212.61-618,861.17

Finding the Fourth Proportional to 1,102,264.31, 1,521,212.61 and 618,861.17

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Solution

The fourth proportional to 1,102,264.31, 1,521,212.61 and 618,861.17 is: 854,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,264.31 : 1,521,212.61 = 618,861.17 : x
  2. Step 2: Convert to fraction form
    1,102,264.31/1,521,212.61 = 618,861.17/x
  3. Step 3: Cross multiply
    1,102,264.31x = 1,521,212.61 × 618,861.17
  4. Step 4: Simplify right side
    1,102,264.31x = 941,419,415,643.35
  5. Step 5: Solve for x
    x = 941,419,415,643.35/1,102,264.31
  6. Step 6: Final answer
    x = 854,077.74

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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.