Home / 1,258,538.40-1,737,426.78-852,784.56

Finding the Fourth Proportional to 1,258,538.40, 1,737,426.78 and 852,784.56

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Solution

The fourth proportional to 1,258,538.40, 1,737,426.78 and 852,784.56 is: 1,177,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,538.40 : 1,737,426.78 = 852,784.56 : x
  2. Step 2: Convert to fraction form
    1,258,538.40/1,737,426.78 = 852,784.56/x
  3. Step 3: Cross multiply
    1,258,538.40x = 1,737,426.78 × 852,784.56
  4. Step 4: Simplify right side
    1,258,538.40x = 1,481,650,732,114.52
  5. Step 5: Solve for x
    x = 1,481,650,732,114.52/1,258,538.40
  6. Step 6: Final answer
    x = 1,177,278.92

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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.