Home / 1,011,318.62-1,395,605.43-552,427.70

Finding the Fourth Proportional to 1,011,318.62, 1,395,605.43 and 552,427.70

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Solution

The fourth proportional to 1,011,318.62, 1,395,605.43 and 552,427.70 is: 762,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,318.62 : 1,395,605.43 = 552,427.70 : x
  2. Step 2: Convert to fraction form
    1,011,318.62/1,395,605.43 = 552,427.70/x
  3. Step 3: Cross multiply
    1,011,318.62x = 1,395,605.43 × 552,427.70
  4. Step 4: Simplify right side
    1,011,318.62x = 770,971,090,824.38
  5. Step 5: Solve for x
    x = 770,971,090,824.38/1,011,318.62
  6. Step 6: Final answer
    x = 762,342.43

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Double scale
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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.