Home / 1,255,661.68-1,884,676.20-457,714.48

Finding the Fourth Proportional to 1,255,661.68, 1,884,676.20 and 457,714.48

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Solution

The fourth proportional to 1,255,661.68, 1,884,676.20 and 457,714.48 is: 687,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,661.68 : 1,884,676.20 = 457,714.48 : x
  2. Step 2: Convert to fraction form
    1,255,661.68/1,884,676.20 = 457,714.48/x
  3. Step 3: Cross multiply
    1,255,661.68x = 1,884,676.20 × 457,714.48
  4. Step 4: Simplify right side
    1,255,661.68x = 862,643,586,851.38
  5. Step 5: Solve for x
    x = 862,643,586,851.38/1,255,661.68
  6. Step 6: Final answer
    x = 687,003.20

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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.