Home / 1,508,290.65-2,081,889.81-864,139.77

Finding the Fourth Proportional to 1,508,290.65, 2,081,889.81 and 864,139.77

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Solution

The fourth proportional to 1,508,290.65, 2,081,889.81 and 864,139.77 is: 1,192,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,290.65 : 2,081,889.81 = 864,139.77 : x
  2. Step 2: Convert to fraction form
    1,508,290.65/2,081,889.81 = 864,139.77/x
  3. Step 3: Cross multiply
    1,508,290.65x = 2,081,889.81 × 864,139.77
  4. Step 4: Simplify right side
    1,508,290.65x = 1,799,043,781,578.74
  5. Step 5: Solve for x
    x = 1,799,043,781,578.74/1,508,290.65
  6. Step 6: Final answer
    x = 1,192,769.96

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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.