Home / 1,440,585.81-2,160,878.72-493,964.73

Finding the Fourth Proportional to 1,440,585.81, 2,160,878.72 and 493,964.73

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Solution

The fourth proportional to 1,440,585.81, 2,160,878.72 and 493,964.73 is: 740,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,585.81 : 2,160,878.72 = 493,964.73 : x
  2. Step 2: Convert to fraction form
    1,440,585.81/2,160,878.72 = 493,964.73/x
  3. Step 3: Cross multiply
    1,440,585.81x = 2,160,878.72 × 493,964.73
  4. Step 4: Simplify right side
    1,440,585.81x = 1,067,397,871,017.72
  5. Step 5: Solve for x
    x = 1,067,397,871,017.72/1,440,585.81
  6. Step 6: Final answer
    x = 740,947.10

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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.