Home / 1,685,117.70-2,527,676.55-487,079.10

Finding the Fourth Proportional to 1,685,117.70, 2,527,676.55 and 487,079.10

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Solution

The fourth proportional to 1,685,117.70, 2,527,676.55 and 487,079.10 is: 730,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,117.70 : 2,527,676.55 = 487,079.10 : x
  2. Step 2: Convert to fraction form
    1,685,117.70/2,527,676.55 = 487,079.10/x
  3. Step 3: Cross multiply
    1,685,117.70x = 2,527,676.55 × 487,079.10
  4. Step 4: Simplify right side
    1,685,117.70x = 1,231,178,419,065.10
  5. Step 5: Solve for x
    x = 1,231,178,419,065.10/1,685,117.70
  6. Step 6: Final answer
    x = 730,618.65

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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.