Home / 1,487,105.28-2,052,217.80-808,041.72

Finding the Fourth Proportional to 1,487,105.28, 2,052,217.80 and 808,041.72

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Solution

The fourth proportional to 1,487,105.28, 2,052,217.80 and 808,041.72 is: 1,115,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,105.28 : 2,052,217.80 = 808,041.72 : x
  2. Step 2: Convert to fraction form
    1,487,105.28/2,052,217.80 = 808,041.72/x
  3. Step 3: Cross multiply
    1,487,105.28x = 2,052,217.80 × 808,041.72
  4. Step 4: Simplify right side
    1,487,105.28x = 1,658,277,600,926.62
  5. Step 5: Solve for x
    x = 1,658,277,600,926.62/1,487,105.28
  6. Step 6: Final answer
    x = 1,115,104.37

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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.