Home / 1,325,369.60-1,829,031.04-721,757.12

Finding the Fourth Proportional to 1,325,369.60, 1,829,031.04 and 721,757.12

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Solution

The fourth proportional to 1,325,369.60, 1,829,031.04 and 721,757.12 is: 996,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,369.60 : 1,829,031.04 = 721,757.12 : x
  2. Step 2: Convert to fraction form
    1,325,369.60/1,829,031.04 = 721,757.12/x
  3. Step 3: Cross multiply
    1,325,369.60x = 1,829,031.04 × 721,757.12
  4. Step 4: Simplify right side
    1,325,369.60x = 1,320,116,175,821.00
  5. Step 5: Solve for x
    x = 1,320,116,175,821.00/1,325,369.60
  6. Step 6: Final answer
    x = 996,036.26

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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.