Home / 1,445,808.48-1,995,295.60-801,215.20

Finding the Fourth Proportional to 1,445,808.48, 1,995,295.60 and 801,215.20

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Solution

The fourth proportional to 1,445,808.48, 1,995,295.60 and 801,215.20 is: 1,105,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,808.48 : 1,995,295.60 = 801,215.20 : x
  2. Step 2: Convert to fraction form
    1,445,808.48/1,995,295.60 = 801,215.20/x
  3. Step 3: Cross multiply
    1,445,808.48x = 1,995,295.60 × 801,215.20
  4. Step 4: Simplify right side
    1,445,808.48x = 1,598,661,163,213.12
  5. Step 5: Solve for x
    x = 1,598,661,163,213.12/1,445,808.48
  6. Step 6: Final answer
    x = 1,105,721.25

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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.