Home / 1,126,932.93-1,690,417.89-317,336.79

Finding the Fourth Proportional to 1,126,932.93, 1,690,417.89 and 317,336.79

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Solution

The fourth proportional to 1,126,932.93, 1,690,417.89 and 317,336.79 is: 476,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,932.93 : 1,690,417.89 = 317,336.79 : x
  2. Step 2: Convert to fraction form
    1,126,932.93/1,690,417.89 = 317,336.79/x
  3. Step 3: Cross multiply
    1,126,932.93x = 1,690,417.89 × 317,336.79
  4. Step 4: Simplify right side
    1,126,932.93x = 536,431,786,971.17
  5. Step 5: Solve for x
    x = 536,431,786,971.17/1,126,932.93
  6. Step 6: Final answer
    x = 476,010.39

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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.