Home / 1,252,900.20-1,878,038.10-494,448.60

Finding the Fourth Proportional to 1,252,900.20, 1,878,038.10 and 494,448.60

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Solution

The fourth proportional to 1,252,900.20, 1,878,038.10 and 494,448.60 is: 741,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,900.20 : 1,878,038.10 = 494,448.60 : x
  2. Step 2: Convert to fraction form
    1,252,900.20/1,878,038.10 = 494,448.60/x
  3. Step 3: Cross multiply
    1,252,900.20x = 1,878,038.10 × 494,448.60
  4. Step 4: Simplify right side
    1,252,900.20x = 928,593,309,291.66
  5. Step 5: Solve for x
    x = 928,593,309,291.66/1,252,900.20
  6. Step 6: Final answer
    x = 741,155.05

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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.