Home / 1,009,292-1,513,938.24-410,578.88

Finding the Fourth Proportional to 1,009,292, 1,513,938.24 and 410,578.88

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Solution

The fourth proportional to 1,009,292, 1,513,938.24 and 410,578.88 is: 615,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,292 : 1,513,938.24 = 410,578.88 : x
  2. Step 2: Convert to fraction form
    1,009,292/1,513,938.24 = 410,578.88/x
  3. Step 3: Cross multiply
    1,009,292x = 1,513,938.24 × 410,578.88
  4. Step 4: Simplify right side
    1,009,292x = 621,591,066,968.37
  5. Step 5: Solve for x
    x = 621,591,066,968.37/1,009,292
  6. Step 6: Final answer
    x = 615,868.42

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Double scale
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Similar ratio
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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.