Home / 1,008,171.70-1,391,264.16-549,305.38

Finding the Fourth Proportional to 1,008,171.70, 1,391,264.16 and 549,305.38

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Solution

The fourth proportional to 1,008,171.70, 1,391,264.16 and 549,305.38 is: 758,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,171.70 : 1,391,264.16 = 549,305.38 : x
  2. Step 2: Convert to fraction form
    1,008,171.70/1,391,264.16 = 549,305.38/x
  3. Step 3: Cross multiply
    1,008,171.70x = 1,391,264.16 × 549,305.38
  4. Step 4: Simplify right side
    1,008,171.70x = 764,228,888,089.18
  5. Step 5: Solve for x
    x = 764,228,888,089.18/1,008,171.70
  6. Step 6: Final answer
    x = 758,034.46

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1.5x scale

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.