Home / 1,464,290.80-2,020,705.73-819,716.29

Finding the Fourth Proportional to 1,464,290.80, 2,020,705.73 and 819,716.29

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Solution

The fourth proportional to 1,464,290.80, 2,020,705.73 and 819,716.29 is: 1,131,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,290.80 : 2,020,705.73 = 819,716.29 : x
  2. Step 2: Convert to fraction form
    1,464,290.80/2,020,705.73 = 819,716.29/x
  3. Step 3: Cross multiply
    1,464,290.80x = 2,020,705.73 × 819,716.29
  4. Step 4: Simplify right side
    1,464,290.80x = 1,656,405,400,078.76
  5. Step 5: Solve for x
    x = 1,656,405,400,078.76/1,464,290.80
  6. Step 6: Final answer
    x = 1,131,199.76

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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.