Home / 1,746,290.25-2,619,752.66-721,623

Finding the Fourth Proportional to 1,746,290.25, 2,619,752.66 and 721,623

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Solution

The fourth proportional to 1,746,290.25, 2,619,752.66 and 721,623 is: 1,082,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,290.25 : 2,619,752.66 = 721,623 : x
  2. Step 2: Convert to fraction form
    1,746,290.25/2,619,752.66 = 721,623/x
  3. Step 3: Cross multiply
    1,746,290.25x = 2,619,752.66 × 721,623
  4. Step 4: Simplify right side
    1,746,290.25x = 1,890,473,770,159.07
  5. Step 5: Solve for x
    x = 1,890,473,770,159.07/1,746,290.25
  6. Step 6: Final answer
    x = 1,082,565.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.