Home / 1,131,309.60-1,696,964.40-1,007,306.70

Finding the Fourth Proportional to 1,131,309.60, 1,696,964.40 and 1,007,306.70

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Solution

The fourth proportional to 1,131,309.60, 1,696,964.40 and 1,007,306.70 is: 1,510,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,309.60 : 1,696,964.40 = 1,007,306.70 : x
  2. Step 2: Convert to fraction form
    1,131,309.60/1,696,964.40 = 1,007,306.70/x
  3. Step 3: Cross multiply
    1,131,309.60x = 1,696,964.40 × 1,007,306.70
  4. Step 4: Simplify right side
    1,131,309.60x = 1,709,363,609,781.48
  5. Step 5: Solve for x
    x = 1,709,363,609,781.48/1,131,309.60
  6. Step 6: Final answer
    x = 1,510,960.05

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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.