Home / 1,253,139.51-1,730,743.07-846,919.31

Finding the Fourth Proportional to 1,253,139.51, 1,730,743.07 and 846,919.31

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Solution

The fourth proportional to 1,253,139.51, 1,730,743.07 and 846,919.31 is: 1,169,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,139.51 : 1,730,743.07 = 846,919.31 : x
  2. Step 2: Convert to fraction form
    1,253,139.51/1,730,743.07 = 846,919.31/x
  3. Step 3: Cross multiply
    1,253,139.51x = 1,730,743.07 × 846,919.31
  4. Step 4: Simplify right side
    1,253,139.51x = 1,465,799,726,631.68
  5. Step 5: Solve for x
    x = 1,465,799,726,631.68/1,253,139.51
  6. Step 6: Final answer
    x = 1,169,701.95

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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.