Home / 1,560,640.77-2,341,945.31-613,888.47

Finding the Fourth Proportional to 1,560,640.77, 2,341,945.31 and 613,888.47

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Solution

The fourth proportional to 1,560,640.77, 2,341,945.31 and 613,888.47 is: 921,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,640.77 : 2,341,945.31 = 613,888.47 : x
  2. Step 2: Convert to fraction form
    1,560,640.77/2,341,945.31 = 613,888.47/x
  3. Step 3: Cross multiply
    1,560,640.77x = 2,341,945.31 × 613,888.47
  4. Step 4: Simplify right side
    1,560,640.77x = 1,437,693,220,110.13
  5. Step 5: Solve for x
    x = 1,437,693,220,110.13/1,560,640.77
  6. Step 6: Final answer
    x = 921,219.83

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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.