Home / 1,429,100.31-2,142,019.79-575,625.69

Finding the Fourth Proportional to 1,429,100.31, 2,142,019.79 and 575,625.69

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Solution

The fourth proportional to 1,429,100.31, 2,142,019.79 and 575,625.69 is: 862,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,100.31 : 2,142,019.79 = 575,625.69 : x
  2. Step 2: Convert to fraction form
    1,429,100.31/2,142,019.79 = 575,625.69/x
  3. Step 3: Cross multiply
    1,429,100.31x = 2,142,019.79 × 575,625.69
  4. Step 4: Simplify right side
    1,429,100.31x = 1,233,001,616,734.28
  5. Step 5: Solve for x
    x = 1,233,001,616,734.28/1,429,100.31
  6. Step 6: Final answer
    x = 862,781.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.