Home / 1,172,371.36-1,616,108.82-917,279.68

Finding the Fourth Proportional to 1,172,371.36, 1,616,108.82 and 917,279.68

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Solution

The fourth proportional to 1,172,371.36, 1,616,108.82 and 917,279.68 is: 1,264,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,371.36 : 1,616,108.82 = 917,279.68 : x
  2. Step 2: Convert to fraction form
    1,172,371.36/1,616,108.82 = 917,279.68/x
  3. Step 3: Cross multiply
    1,172,371.36x = 1,616,108.82 × 917,279.68
  4. Step 4: Simplify right side
    1,172,371.36x = 1,482,423,781,254.78
  5. Step 5: Solve for x
    x = 1,482,423,781,254.78/1,172,371.36
  6. Step 6: Final answer
    x = 1,264,466.05

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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.