Home / 1,334,689.62-1,841,862.55-722,828.31

Finding the Fourth Proportional to 1,334,689.62, 1,841,862.55 and 722,828.31

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Solution

The fourth proportional to 1,334,689.62, 1,841,862.55 and 722,828.31 is: 997,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,689.62 : 1,841,862.55 = 722,828.31 : x
  2. Step 2: Convert to fraction form
    1,334,689.62/1,841,862.55 = 722,828.31/x
  3. Step 3: Cross multiply
    1,334,689.62x = 1,841,862.55 × 722,828.31
  4. Step 4: Simplify right side
    1,334,689.62x = 1,331,350,392,461.72
  5. Step 5: Solve for x
    x = 1,331,350,392,461.72/1,334,689.62
  6. Step 6: Final answer
    x = 997,498.12

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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.