Home / 1,172,364.12-1,617,348.82-688,711.08

Finding the Fourth Proportional to 1,172,364.12, 1,617,348.82 and 688,711.08

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Solution

The fourth proportional to 1,172,364.12, 1,617,348.82 and 688,711.08 is: 950,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,364.12 : 1,617,348.82 = 688,711.08 : x
  2. Step 2: Convert to fraction form
    1,172,364.12/1,617,348.82 = 688,711.08/x
  3. Step 3: Cross multiply
    1,172,364.12x = 1,617,348.82 × 688,711.08
  4. Step 4: Simplify right side
    1,172,364.12x = 1,113,886,052,558.93
  5. Step 5: Solve for x
    x = 1,113,886,052,558.93/1,172,364.12
  6. Step 6: Final answer
    x = 950,119.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.