Home / 1,443,013.32-1,991,275.20-798,395.07

Finding the Fourth Proportional to 1,443,013.32, 1,991,275.20 and 798,395.07

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Solution

The fourth proportional to 1,443,013.32, 1,991,275.20 and 798,395.07 is: 1,101,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,013.32 : 1,991,275.20 = 798,395.07 : x
  2. Step 2: Convert to fraction form
    1,443,013.32/1,991,275.20 = 798,395.07/x
  3. Step 3: Cross multiply
    1,443,013.32x = 1,991,275.20 × 798,395.07
  4. Step 4: Simplify right side
    1,443,013.32x = 1,589,824,302,693.26
  5. Step 5: Solve for x
    x = 1,589,824,302,693.26/1,443,013.32
  6. Step 6: Final answer
    x = 1,101,739.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.