Home / 1,508,312.27-2,080,881.97-863,387.81

Finding the Fourth Proportional to 1,508,312.27, 2,080,881.97 and 863,387.81

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Solution

The fourth proportional to 1,508,312.27, 2,080,881.97 and 863,387.81 is: 1,191,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,312.27 : 2,080,881.97 = 863,387.81 : x
  2. Step 2: Convert to fraction form
    1,508,312.27/2,080,881.97 = 863,387.81/x
  3. Step 3: Cross multiply
    1,508,312.27x = 2,080,881.97 × 863,387.81
  4. Step 4: Simplify right side
    1,508,312.27x = 1,796,608,126,946.79
  5. Step 5: Solve for x
    x = 1,796,608,126,946.79/1,508,312.27
  6. Step 6: Final answer
    x = 1,191,138.04

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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.