Home / 1,351,781.82-1,865,332.29-807,809.34

Finding the Fourth Proportional to 1,351,781.82, 1,865,332.29 and 807,809.34

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Solution

The fourth proportional to 1,351,781.82, 1,865,332.29 and 807,809.34 is: 1,114,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,781.82 : 1,865,332.29 = 807,809.34 : x
  2. Step 2: Convert to fraction form
    1,351,781.82/1,865,332.29 = 807,809.34/x
  3. Step 3: Cross multiply
    1,351,781.82x = 1,865,332.29 × 807,809.34
  4. Step 4: Simplify right side
    1,351,781.82x = 1,506,832,846,065.59
  5. Step 5: Solve for x
    x = 1,506,832,846,065.59/1,351,781.82
  6. Step 6: Final answer
    x = 1,114,701.22

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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.