Home / 1,443,206.39-1,991,595.02-798,626.15

Finding the Fourth Proportional to 1,443,206.39, 1,991,595.02 and 798,626.15

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Solution

The fourth proportional to 1,443,206.39, 1,991,595.02 and 798,626.15 is: 1,102,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,206.39 : 1,991,595.02 = 798,626.15 : x
  2. Step 2: Convert to fraction form
    1,443,206.39/1,991,595.02 = 798,626.15/x
  3. Step 3: Cross multiply
    1,443,206.39x = 1,991,595.02 × 798,626.15
  4. Step 4: Simplify right side
    1,443,206.39x = 1,590,539,859,188.64
  5. Step 5: Solve for x
    x = 1,590,539,859,188.64/1,443,206.39
  6. Step 6: Final answer
    x = 1,102,087.59

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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.