Home / 1,120,270.33-1,680,402.92-480,159.01

Finding the Fourth Proportional to 1,120,270.33, 1,680,402.92 and 480,159.01

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Solution

The fourth proportional to 1,120,270.33, 1,680,402.92 and 480,159.01 is: 720,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,270.33 : 1,680,402.92 = 480,159.01 : x
  2. Step 2: Convert to fraction form
    1,120,270.33/1,680,402.92 = 480,159.01/x
  3. Step 3: Cross multiply
    1,120,270.33x = 1,680,402.92 × 480,159.01
  4. Step 4: Simplify right side
    1,120,270.33x = 806,860,606,894.15
  5. Step 5: Solve for x
    x = 806,860,606,894.15/1,120,270.33
  6. Step 6: Final answer
    x = 720,237.41

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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.