Home / 1,303,720.50-1,799,138.22-722,984.52

Finding the Fourth Proportional to 1,303,720.50, 1,799,138.22 and 722,984.52

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Solution

The fourth proportional to 1,303,720.50, 1,799,138.22 and 722,984.52 is: 997,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,720.50 : 1,799,138.22 = 722,984.52 : x
  2. Step 2: Convert to fraction form
    1,303,720.50/1,799,138.22 = 722,984.52/x
  3. Step 3: Cross multiply
    1,303,720.50x = 1,799,138.22 × 722,984.52
  4. Step 4: Simplify right side
    1,303,720.50x = 1,300,749,082,400.35
  5. Step 5: Solve for x
    x = 1,300,749,082,400.35/1,303,720.50
  6. Step 6: Final answer
    x = 997,720.82

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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.