Home / 1,017,937.31-1,526,904.95-259,778.79

Finding the Fourth Proportional to 1,017,937.31, 1,526,904.95 and 259,778.79

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Solution

The fourth proportional to 1,017,937.31, 1,526,904.95 and 259,778.79 is: 389,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,937.31 : 1,526,904.95 = 259,778.79 : x
  2. Step 2: Convert to fraction form
    1,017,937.31/1,526,904.95 = 259,778.79/x
  3. Step 3: Cross multiply
    1,017,937.31x = 1,526,904.95 × 259,778.79
  4. Step 4: Simplify right side
    1,017,937.31x = 396,657,519,057.12
  5. Step 5: Solve for x
    x = 396,657,519,057.12/1,017,937.31
  6. Step 6: Final answer
    x = 389,667.93

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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.