Home / 1,073,016.11-1,480,890.97-643,532.51

Finding the Fourth Proportional to 1,073,016.11, 1,480,890.97 and 643,532.51

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Solution

The fourth proportional to 1,073,016.11, 1,480,890.97 and 643,532.51 is: 888,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,016.11 : 1,480,890.97 = 643,532.51 : x
  2. Step 2: Convert to fraction form
    1,073,016.11/1,480,890.97 = 643,532.51/x
  3. Step 3: Cross multiply
    1,073,016.11x = 1,480,890.97 × 643,532.51
  4. Step 4: Simplify right side
    1,073,016.11x = 953,001,487,467.08
  5. Step 5: Solve for x
    x = 953,001,487,467.08/1,073,016.11
  6. Step 6: Final answer
    x = 888,152.08

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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.