Home / 1,120,056.30-1,680,081.18-278,608.02

Finding the Fourth Proportional to 1,120,056.30, 1,680,081.18 and 278,608.02

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Solution

The fourth proportional to 1,120,056.30, 1,680,081.18 and 278,608.02 is: 417,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,056.30 : 1,680,081.18 = 278,608.02 : x
  2. Step 2: Convert to fraction form
    1,120,056.30/1,680,081.18 = 278,608.02/x
  3. Step 3: Cross multiply
    1,120,056.30x = 1,680,081.18 × 278,608.02
  4. Step 4: Simplify right side
    1,120,056.30x = 468,084,090,999.06
  5. Step 5: Solve for x
    x = 468,084,090,999.06/1,120,056.30
  6. Step 6: Final answer
    x = 417,911.22

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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.