Home / 1,429,125.72-2,142,057.84-575,650.79

Finding the Fourth Proportional to 1,429,125.72, 2,142,057.84 and 575,650.79

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Solution

The fourth proportional to 1,429,125.72, 2,142,057.84 and 575,650.79 is: 862,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,125.72 : 2,142,057.84 = 575,650.79 : x
  2. Step 2: Convert to fraction form
    1,429,125.72/2,142,057.84 = 575,650.79/x
  3. Step 3: Cross multiply
    1,429,125.72x = 2,142,057.84 × 575,650.79
  4. Step 4: Simplify right side
    1,429,125.72x = 1,233,077,287,821.69
  5. Step 5: Solve for x
    x = 1,233,077,287,821.69/1,429,125.72
  6. Step 6: Final answer
    x = 862,819.32

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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.