Home / 1,478,520.10-2,040,272.60-825,094.88

Finding the Fourth Proportional to 1,478,520.10, 2,040,272.60 and 825,094.88

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Solution

The fourth proportional to 1,478,520.10, 2,040,272.60 and 825,094.88 is: 1,138,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,520.10 : 2,040,272.60 = 825,094.88 : x
  2. Step 2: Convert to fraction form
    1,478,520.10/2,040,272.60 = 825,094.88/x
  3. Step 3: Cross multiply
    1,478,520.10x = 2,040,272.60 × 825,094.88
  4. Step 4: Simplify right side
    1,478,520.10x = 1,683,418,473,026.34
  5. Step 5: Solve for x
    x = 1,683,418,473,026.34/1,478,520.10
  6. Step 6: Final answer
    x = 1,138,583.42

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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.