Home / 1,547,711.51-2,135,841.88-868,648.01

Finding the Fourth Proportional to 1,547,711.51, 2,135,841.88 and 868,648.01

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Solution

The fourth proportional to 1,547,711.51, 2,135,841.88 and 868,648.01 is: 1,198,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,711.51 : 2,135,841.88 = 868,648.01 : x
  2. Step 2: Convert to fraction form
    1,547,711.51/2,135,841.88 = 868,648.01/x
  3. Step 3: Cross multiply
    1,547,711.51x = 2,135,841.88 × 868,648.01
  4. Step 4: Simplify right side
    1,547,711.51x = 1,855,294,799,528.66
  5. Step 5: Solve for x
    x = 1,855,294,799,528.66/1,547,711.51
  6. Step 6: Final answer
    x = 1,198,734.25

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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.