Home / 1,547,858.22-2,135,927.16-868,663.50

Finding the Fourth Proportional to 1,547,858.22, 2,135,927.16 and 868,663.50

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Solution

The fourth proportional to 1,547,858.22, 2,135,927.16 and 868,663.50 is: 1,198,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,858.22 : 2,135,927.16 = 868,663.50 : x
  2. Step 2: Convert to fraction form
    1,547,858.22/2,135,927.16 = 868,663.50/x
  3. Step 3: Cross multiply
    1,547,858.22x = 2,135,927.16 × 868,663.50
  4. Step 4: Simplify right side
    1,547,858.22x = 1,855,401,962,550.66
  5. Step 5: Solve for x
    x = 1,855,401,962,550.66/1,547,858.22
  6. Step 6: Final answer
    x = 1,198,689.87

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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.