Home / 1,195,918.80-1,790,767.80-772,904.40

Finding the Fourth Proportional to 1,195,918.80, 1,790,767.80 and 772,904.40

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Solution

The fourth proportional to 1,195,918.80, 1,790,767.80 and 772,904.40 is: 1,157,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,918.80 : 1,790,767.80 = 772,904.40 : x
  2. Step 2: Convert to fraction form
    1,195,918.80/1,790,767.80 = 772,904.40/x
  3. Step 3: Cross multiply
    1,195,918.80x = 1,790,767.80 × 772,904.40
  4. Step 4: Simplify right side
    1,195,918.80x = 1,384,092,311,998.32
  5. Step 5: Solve for x
    x = 1,384,092,311,998.32/1,195,918.80
  6. Step 6: Final answer
    x = 1,157,346.40

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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.