Home / 1,281,144.80-1,920,104.40-650,232.80

Finding the Fourth Proportional to 1,281,144.80, 1,920,104.40 and 650,232.80

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Solution

The fourth proportional to 1,281,144.80, 1,920,104.40 and 650,232.80 is: 974,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,144.80 : 1,920,104.40 = 650,232.80 : x
  2. Step 2: Convert to fraction form
    1,281,144.80/1,920,104.40 = 650,232.80/x
  3. Step 3: Cross multiply
    1,281,144.80x = 1,920,104.40 × 650,232.80
  4. Step 4: Simplify right side
    1,281,144.80x = 1,248,514,860,304.32
  5. Step 5: Solve for x
    x = 1,248,514,860,304.32/1,281,144.80
  6. Step 6: Final answer
    x = 974,530.64

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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.