Home / 1,079,501.07-1,619,812.01-440,273.78

Finding the Fourth Proportional to 1,079,501.07, 1,619,812.01 and 440,273.78

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Solution

The fourth proportional to 1,079,501.07, 1,619,812.01 and 440,273.78 is: 660,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,501.07 : 1,619,812.01 = 440,273.78 : x
  2. Step 2: Convert to fraction form
    1,079,501.07/1,619,812.01 = 440,273.78/x
  3. Step 3: Cross multiply
    1,079,501.07x = 1,619,812.01 × 440,273.78
  4. Step 4: Simplify right side
    1,079,501.07x = 713,160,755,608.02
  5. Step 5: Solve for x
    x = 713,160,755,608.02/1,079,501.07
  6. Step 6: Final answer
    x = 660,639.23

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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.