Home / 1,537,180.95-2,305,855.35-638,713.56

Finding the Fourth Proportional to 1,537,180.95, 2,305,855.35 and 638,713.56

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Solution

The fourth proportional to 1,537,180.95, 2,305,855.35 and 638,713.56 is: 958,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,180.95 : 2,305,855.35 = 638,713.56 : x
  2. Step 2: Convert to fraction form
    1,537,180.95/2,305,855.35 = 638,713.56/x
  3. Step 3: Cross multiply
    1,537,180.95x = 2,305,855.35 × 638,713.56
  4. Step 4: Simplify right side
    1,537,180.95x = 1,472,781,079,443.55
  5. Step 5: Solve for x
    x = 1,472,781,079,443.55/1,537,180.95
  6. Step 6: Final answer
    x = 958,105.21

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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.