Home / 1,531,288.68-2,113,178.40-852,385.56

Finding the Fourth Proportional to 1,531,288.68, 2,113,178.40 and 852,385.56

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Solution

The fourth proportional to 1,531,288.68, 2,113,178.40 and 852,385.56 is: 1,176,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,288.68 : 2,113,178.40 = 852,385.56 : x
  2. Step 2: Convert to fraction form
    1,531,288.68/2,113,178.40 = 852,385.56/x
  3. Step 3: Cross multiply
    1,531,288.68x = 2,113,178.40 × 852,385.56
  4. Step 4: Simplify right side
    1,531,288.68x = 1,801,242,753,863.90
  5. Step 5: Solve for x
    x = 1,801,242,753,863.90/1,531,288.68
  6. Step 6: Final answer
    x = 1,176,292.08

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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.