Home / 1,547,711.75-2,135,842.18-868,648.25

Finding the Fourth Proportional to 1,547,711.75, 2,135,842.18 and 868,648.25

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Solution

The fourth proportional to 1,547,711.75, 2,135,842.18 and 868,648.25 is: 1,198,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,711.75 : 2,135,842.18 = 868,648.25 : x
  2. Step 2: Convert to fraction form
    1,547,711.75/2,135,842.18 = 868,648.25/x
  3. Step 3: Cross multiply
    1,547,711.75x = 2,135,842.18 × 868,648.25
  4. Step 4: Simplify right side
    1,547,711.75x = 1,855,295,571,933.19
  5. Step 5: Solve for x
    x = 1,855,295,571,933.19/1,547,711.75
  6. Step 6: Final answer
    x = 1,198,734.57

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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.