Home / 1,028,117.70-1,542,242.16-318,086.28

Finding the Fourth Proportional to 1,028,117.70, 1,542,242.16 and 318,086.28

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Solution

The fourth proportional to 1,028,117.70, 1,542,242.16 and 318,086.28 is: 477,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,117.70 : 1,542,242.16 = 318,086.28 : x
  2. Step 2: Convert to fraction form
    1,028,117.70/1,542,242.16 = 318,086.28/x
  3. Step 3: Cross multiply
    1,028,117.70x = 1,542,242.16 × 318,086.28
  4. Step 4: Simplify right side
    1,028,117.70x = 490,566,071,533.57
  5. Step 5: Solve for x
    x = 490,566,071,533.57/1,028,117.70
  6. Step 6: Final answer
    x = 477,149.72

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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.