Home / 1,449,421.80-2,000,135.28-804,883.20

Finding the Fourth Proportional to 1,449,421.80, 2,000,135.28 and 804,883.20

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Solution

The fourth proportional to 1,449,421.80, 2,000,135.28 and 804,883.20 is: 1,110,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,421.80 : 2,000,135.28 = 804,883.20 : x
  2. Step 2: Convert to fraction form
    1,449,421.80/2,000,135.28 = 804,883.20/x
  3. Step 3: Cross multiply
    1,449,421.80x = 2,000,135.28 × 804,883.20
  4. Step 4: Simplify right side
    1,449,421.80x = 1,609,875,284,599.30
  5. Step 5: Solve for x
    x = 1,609,875,284,599.30/1,449,421.80
  6. Step 6: Final answer
    x = 1,110,701.72

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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.