Home / 1,382,045.78-2,073,541.50-843,382.01

Finding the Fourth Proportional to 1,382,045.78, 2,073,541.50 and 843,382.01

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Solution

The fourth proportional to 1,382,045.78, 2,073,541.50 and 843,382.01 is: 1,265,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,045.78 : 2,073,541.50 = 843,382.01 : x
  2. Step 2: Convert to fraction form
    1,382,045.78/2,073,541.50 = 843,382.01/x
  3. Step 3: Cross multiply
    1,382,045.78x = 2,073,541.50 × 843,382.01
  4. Step 4: Simplify right side
    1,382,045.78x = 1,748,787,587,720.71
  5. Step 5: Solve for x
    x = 1,748,787,587,720.71/1,382,045.78
  6. Step 6: Final answer
    x = 1,265,361.55

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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.