Home / 1,116,918.83-1,675,101.45-318,207.29

Finding the Fourth Proportional to 1,116,918.83, 1,675,101.45 and 318,207.29

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Solution

The fourth proportional to 1,116,918.83, 1,675,101.45 and 318,207.29 is: 477,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,918.83 : 1,675,101.45 = 318,207.29 : x
  2. Step 2: Convert to fraction form
    1,116,918.83/1,675,101.45 = 318,207.29/x
  3. Step 3: Cross multiply
    1,116,918.83x = 1,675,101.45 × 318,207.29
  4. Step 4: Simplify right side
    1,116,918.83x = 533,029,487,100.78
  5. Step 5: Solve for x
    x = 533,029,487,100.78/1,116,918.83
  6. Step 6: Final answer
    x = 477,232.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.