Home / 1,908,025.92-2,862,171.36-645,426.72

Finding the Fourth Proportional to 1,908,025.92, 2,862,171.36 and 645,426.72

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Solution

The fourth proportional to 1,908,025.92, 2,862,171.36 and 645,426.72 is: 968,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,025.92 : 2,862,171.36 = 645,426.72 : x
  2. Step 2: Convert to fraction form
    1,908,025.92/2,862,171.36 = 645,426.72/x
  3. Step 3: Cross multiply
    1,908,025.92x = 2,862,171.36 × 645,426.72
  4. Step 4: Simplify right side
    1,908,025.92x = 1,847,321,872,962.74
  5. Step 5: Solve for x
    x = 1,847,321,872,962.74/1,908,025.92
  6. Step 6: Final answer
    x = 968,184.89

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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.