Home / 1,025,410.33-1,538,119.28-315,433.45

Finding the Fourth Proportional to 1,025,410.33, 1,538,119.28 and 315,433.45

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Solution

The fourth proportional to 1,025,410.33, 1,538,119.28 and 315,433.45 is: 473,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,410.33 : 1,538,119.28 = 315,433.45 : x
  2. Step 2: Convert to fraction form
    1,025,410.33/1,538,119.28 = 315,433.45/x
  3. Step 3: Cross multiply
    1,025,410.33x = 1,538,119.28 × 315,433.45
  4. Step 4: Simplify right side
    1,025,410.33x = 485,174,271,001.92
  5. Step 5: Solve for x
    x = 485,174,271,001.92/1,025,410.33
  6. Step 6: Final answer
    x = 473,151.34

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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.