Home / 1,429,102.31-2,142,022.78-575,627.69

Finding the Fourth Proportional to 1,429,102.31, 2,142,022.78 and 575,627.69

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Solution

The fourth proportional to 1,429,102.31, 2,142,022.78 and 575,627.69 is: 862,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,102.31 : 2,142,022.78 = 575,627.69 : x
  2. Step 2: Convert to fraction form
    1,429,102.31/2,142,022.78 = 575,627.69/x
  3. Step 3: Cross multiply
    1,429,102.31x = 2,142,022.78 × 575,627.69
  4. Step 4: Simplify right side
    1,429,102.31x = 1,233,007,624,778.78
  5. Step 5: Solve for x
    x = 1,233,007,624,778.78/1,429,102.31
  6. Step 6: Final answer
    x = 862,784.71

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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.