Home / 1,115,609.80-1,673,888.22-609,579.70

Finding the Fourth Proportional to 1,115,609.80, 1,673,888.22 and 609,579.70

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Solution

The fourth proportional to 1,115,609.80, 1,673,888.22 and 609,579.70 is: 914,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,609.80 : 1,673,888.22 = 609,579.70 : x
  2. Step 2: Convert to fraction form
    1,115,609.80/1,673,888.22 = 609,579.70/x
  3. Step 3: Cross multiply
    1,115,609.80x = 1,673,888.22 × 609,579.70
  4. Step 4: Simplify right side
    1,115,609.80x = 1,020,368,278,981.13
  5. Step 5: Solve for x
    x = 1,020,368,278,981.13/1,115,609.80
  6. Step 6: Final answer
    x = 914,628.29

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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.