Home / 1,126,586.16-1,689,983.08-368,431.52

Finding the Fourth Proportional to 1,126,586.16, 1,689,983.08 and 368,431.52

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Solution

The fourth proportional to 1,126,586.16, 1,689,983.08 and 368,431.52 is: 552,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,586.16 : 1,689,983.08 = 368,431.52 : x
  2. Step 2: Convert to fraction form
    1,126,586.16/1,689,983.08 = 368,431.52/x
  3. Step 3: Cross multiply
    1,126,586.16x = 1,689,983.08 × 368,431.52
  4. Step 4: Simplify right side
    1,126,586.16x = 622,643,034,938.68
  5. Step 5: Solve for x
    x = 622,643,034,938.68/1,126,586.16
  6. Step 6: Final answer
    x = 552,681.24

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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.