Home / 1,248,240.64-1,722,568.28-675,280.68

Finding the Fourth Proportional to 1,248,240.64, 1,722,568.28 and 675,280.68

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Solution

The fourth proportional to 1,248,240.64, 1,722,568.28 and 675,280.68 is: 931,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,240.64 : 1,722,568.28 = 675,280.68 : x
  2. Step 2: Convert to fraction form
    1,248,240.64/1,722,568.28 = 675,280.68/x
  3. Step 3: Cross multiply
    1,248,240.64x = 1,722,568.28 × 675,280.68
  4. Step 4: Simplify right side
    1,248,240.64x = 1,163,217,079,464.83
  5. Step 5: Solve for x
    x = 1,163,217,079,464.83/1,248,240.64
  6. Step 6: Final answer
    x = 931,885.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.