Home / 1,127,474.64-1,691,031.92-328,569.31

Finding the Fourth Proportional to 1,127,474.64, 1,691,031.92 and 328,569.31

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Solution

The fourth proportional to 1,127,474.64, 1,691,031.92 and 328,569.31 is: 492,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,474.64 : 1,691,031.92 = 328,569.31 : x
  2. Step 2: Convert to fraction form
    1,127,474.64/1,691,031.92 = 328,569.31/x
  3. Step 3: Cross multiply
    1,127,474.64x = 1,691,031.92 × 328,569.31
  4. Step 4: Simplify right side
    1,127,474.64x = 555,621,191,142.38
  5. Step 5: Solve for x
    x = 555,621,191,142.38/1,127,474.64
  6. Step 6: Final answer
    x = 492,801.50

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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.