Home / 1,547,710.75-2,135,840.81-868,647.25

Finding the Fourth Proportional to 1,547,710.75, 2,135,840.81 and 868,647.25

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Solution

The fourth proportional to 1,547,710.75, 2,135,840.81 and 868,647.25 is: 1,198,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,710.75 : 2,135,840.81 = 868,647.25 : x
  2. Step 2: Convert to fraction form
    1,547,710.75/2,135,840.81 = 868,647.25/x
  3. Step 3: Cross multiply
    1,547,710.75x = 2,135,840.81 × 868,647.25
  4. Step 4: Simplify right side
    1,547,710.75x = 1,855,292,244,370.84
  5. Step 5: Solve for x
    x = 1,855,292,244,370.84/1,547,710.75
  6. Step 6: Final answer
    x = 1,198,733.19

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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.