Home / 1,810,042.74-2,712,614.67-687,499.38

Finding the Fourth Proportional to 1,810,042.74, 2,712,614.67 and 687,499.38

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Solution

The fourth proportional to 1,810,042.74, 2,712,614.67 and 687,499.38 is: 1,030,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,042.74 : 2,712,614.67 = 687,499.38 : x
  2. Step 2: Convert to fraction form
    1,810,042.74/2,712,614.67 = 687,499.38/x
  3. Step 3: Cross multiply
    1,810,042.74x = 2,712,614.67 × 687,499.38
  4. Step 4: Simplify right side
    1,810,042.74x = 1,864,920,903,803.90
  5. Step 5: Solve for x
    x = 1,864,920,903,803.90/1,810,042.74
  6. Step 6: Final answer
    x = 1,030,318.71

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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.