Home / 908,143.60-1,362,215.40-839,909.20

Finding the Fourth Proportional to 908,143.60, 1,362,215.40 and 839,909.20

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Solution

The fourth proportional to 908,143.60, 1,362,215.40 and 839,909.20 is: 1,259,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,143.60 : 1,362,215.40 = 839,909.20 : x
  2. Step 2: Convert to fraction form
    908,143.60/1,362,215.40 = 839,909.20/x
  3. Step 3: Cross multiply
    908,143.60x = 1,362,215.40 × 839,909.20
  4. Step 4: Simplify right side
    908,143.60x = 1,144,137,246,841.68
  5. Step 5: Solve for x
    x = 1,144,137,246,841.68/908,143.60
  6. Step 6: Final answer
    x = 1,259,863.80

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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.