Home / 1,547,856.72-2,135,925.09-868,662

Finding the Fourth Proportional to 1,547,856.72, 2,135,925.09 and 868,662

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Solution

The fourth proportional to 1,547,856.72, 2,135,925.09 and 868,662 is: 1,198,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,856.72 : 2,135,925.09 = 868,662 : x
  2. Step 2: Convert to fraction form
    1,547,856.72/2,135,925.09 = 868,662/x
  3. Step 3: Cross multiply
    1,547,856.72x = 2,135,925.09 × 868,662
  4. Step 4: Simplify right side
    1,547,856.72x = 1,855,396,960,529.58
  5. Step 5: Solve for x
    x = 1,855,396,960,529.58/1,547,856.72
  6. Step 6: Final answer
    x = 1,198,687.80

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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.