Home / 1,445,961.60-1,995,427.20-801,423.36

Finding the Fourth Proportional to 1,445,961.60, 1,995,427.20 and 801,423.36

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Solution

The fourth proportional to 1,445,961.60, 1,995,427.20 and 801,423.36 is: 1,105,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,961.60 : 1,995,427.20 = 801,423.36 : x
  2. Step 2: Convert to fraction form
    1,445,961.60/1,995,427.20 = 801,423.36/x
  3. Step 3: Cross multiply
    1,445,961.60x = 1,995,427.20 × 801,423.36
  4. Step 4: Simplify right side
    1,445,961.60x = 1,599,181,971,259.39
  5. Step 5: Solve for x
    x = 1,599,181,971,259.39/1,445,961.60
  6. Step 6: Final answer
    x = 1,105,964.34

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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.