Home / 1,154,204.35-1,731,306.59-312,756.10

Finding the Fourth Proportional to 1,154,204.35, 1,731,306.59 and 312,756.10

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Solution

The fourth proportional to 1,154,204.35, 1,731,306.59 and 312,756.10 is: 469,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,204.35 : 1,731,306.59 = 312,756.10 : x
  2. Step 2: Convert to fraction form
    1,154,204.35/1,731,306.59 = 312,756.10/x
  3. Step 3: Cross multiply
    1,154,204.35x = 1,731,306.59 × 312,756.10
  4. Step 4: Simplify right side
    1,154,204.35x = 541,476,696,992.70
  5. Step 5: Solve for x
    x = 541,476,696,992.70/1,154,204.35
  6. Step 6: Final answer
    x = 469,134.17

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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.