Home / 1,527,029.28-2,290,165.41-516,128.76

Finding the Fourth Proportional to 1,527,029.28, 2,290,165.41 and 516,128.76

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Solution

The fourth proportional to 1,527,029.28, 2,290,165.41 and 516,128.76 is: 774,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,029.28 : 2,290,165.41 = 516,128.76 : x
  2. Step 2: Convert to fraction form
    1,527,029.28/2,290,165.41 = 516,128.76/x
  3. Step 3: Cross multiply
    1,527,029.28x = 2,290,165.41 × 516,128.76
  4. Step 4: Simplify right side
    1,527,029.28x = 1,182,020,233,258.19
  5. Step 5: Solve for x
    x = 1,182,020,233,258.19/1,527,029.28
  6. Step 6: Final answer
    x = 774,065.21

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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.