Home / 1,274,830.60-1,908,309.30-740,765.20

Finding the Fourth Proportional to 1,274,830.60, 1,908,309.30 and 740,765.20

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Solution

The fourth proportional to 1,274,830.60, 1,908,309.30 and 740,765.20 is: 1,108,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,830.60 : 1,908,309.30 = 740,765.20 : x
  2. Step 2: Convert to fraction form
    1,274,830.60/1,908,309.30 = 740,765.20/x
  3. Step 3: Cross multiply
    1,274,830.60x = 1,908,309.30 × 740,765.20
  4. Step 4: Simplify right side
    1,274,830.60x = 1,413,609,120,276.36
  5. Step 5: Solve for x
    x = 1,413,609,120,276.36/1,274,830.60
  6. Step 6: Final answer
    x = 1,108,860.36

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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.