Home / 1,142,734.50-1,576,975.05-633,513.06

Finding the Fourth Proportional to 1,142,734.50, 1,576,975.05 and 633,513.06

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Solution

The fourth proportional to 1,142,734.50, 1,576,975.05 and 633,513.06 is: 874,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,734.50 : 1,576,975.05 = 633,513.06 : x
  2. Step 2: Convert to fraction form
    1,142,734.50/1,576,975.05 = 633,513.06/x
  3. Step 3: Cross multiply
    1,142,734.50x = 1,576,975.05 × 633,513.06
  4. Step 4: Simplify right side
    1,142,734.50x = 999,034,289,469.15
  5. Step 5: Solve for x
    x = 999,034,289,469.15/1,142,734.50
  6. Step 6: Final answer
    x = 874,248.82

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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.