Home / 1,202,422.56-1,803,208.40-349,316.72

Finding the Fourth Proportional to 1,202,422.56, 1,803,208.40 and 349,316.72

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Solution

The fourth proportional to 1,202,422.56, 1,803,208.40 and 349,316.72 is: 523,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,422.56 : 1,803,208.40 = 349,316.72 : x
  2. Step 2: Convert to fraction form
    1,202,422.56/1,803,208.40 = 349,316.72/x
  3. Step 3: Cross multiply
    1,202,422.56x = 1,803,208.40 × 349,316.72
  4. Step 4: Simplify right side
    1,202,422.56x = 629,890,841,073.79
  5. Step 5: Solve for x
    x = 629,890,841,073.79/1,202,422.56
  6. Step 6: Final answer
    x = 523,851.48

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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.