Home / 1,547,137-2,135,085.84-868,123.72

Finding the Fourth Proportional to 1,547,137, 2,135,085.84 and 868,123.72

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Solution

The fourth proportional to 1,547,137, 2,135,085.84 and 868,123.72 is: 1,198,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,137 : 2,135,085.84 = 868,123.72 : x
  2. Step 2: Convert to fraction form
    1,547,137/2,135,085.84 = 868,123.72/x
  3. Step 3: Cross multiply
    1,547,137x = 2,135,085.84 × 868,123.72
  4. Step 4: Simplify right side
    1,547,137x = 1,853,518,661,940.12
  5. Step 5: Solve for x
    x = 1,853,518,661,940.12/1,547,137
  6. Step 6: Final answer
    x = 1,198,031.37

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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.