Home / 1,319,767.29-1,821,272.45-716,155.29

Finding the Fourth Proportional to 1,319,767.29, 1,821,272.45 and 716,155.29

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Solution

The fourth proportional to 1,319,767.29, 1,821,272.45 and 716,155.29 is: 988,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,767.29 : 1,821,272.45 = 716,155.29 : x
  2. Step 2: Convert to fraction form
    1,319,767.29/1,821,272.45 = 716,155.29/x
  3. Step 3: Cross multiply
    1,319,767.29x = 1,821,272.45 × 716,155.29
  4. Step 4: Simplify right side
    1,319,767.29x = 1,304,313,896,017.98
  5. Step 5: Solve for x
    x = 1,304,313,896,017.98/1,319,767.29
  6. Step 6: Final answer
    x = 988,290.82

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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.