Home / 1,274,823.60-1,908,298.80-740,758.20

Finding the Fourth Proportional to 1,274,823.60, 1,908,298.80 and 740,758.20

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Solution

The fourth proportional to 1,274,823.60, 1,908,298.80 and 740,758.20 is: 1,108,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,823.60 : 1,908,298.80 = 740,758.20 : x
  2. Step 2: Convert to fraction form
    1,274,823.60/1,908,298.80 = 740,758.20/x
  3. Step 3: Cross multiply
    1,274,823.60x = 1,908,298.80 × 740,758.20
  4. Step 4: Simplify right side
    1,274,823.60x = 1,413,587,984,150.16
  5. Step 5: Solve for x
    x = 1,413,587,984,150.16/1,274,823.60
  6. Step 6: Final answer
    x = 1,108,849.87

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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.