Home / 1,025,667.66-1,538,521.29-315,694.97

Finding the Fourth Proportional to 1,025,667.66, 1,538,521.29 and 315,694.97

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Solution

The fourth proportional to 1,025,667.66, 1,538,521.29 and 315,694.97 is: 473,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,667.66 : 1,538,521.29 = 315,694.97 : x
  2. Step 2: Convert to fraction form
    1,025,667.66/1,538,521.29 = 315,694.97/x
  3. Step 3: Cross multiply
    1,025,667.66x = 1,538,521.29 × 315,694.97
  4. Step 4: Simplify right side
    1,025,667.66x = 485,703,430,567.76
  5. Step 5: Solve for x
    x = 485,703,430,567.76/1,025,667.66
  6. Step 6: Final answer
    x = 473,548.55

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Double scale
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1.5x scale

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.