Home / 1,559,093.20-2,340,608.10-840,007.60

Finding the Fourth Proportional to 1,559,093.20, 2,340,608.10 and 840,007.60

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Solution

The fourth proportional to 1,559,093.20, 2,340,608.10 and 840,007.60 is: 1,261,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,093.20 : 2,340,608.10 = 840,007.60 : x
  2. Step 2: Convert to fraction form
    1,559,093.20/2,340,608.10 = 840,007.60/x
  3. Step 3: Cross multiply
    1,559,093.20x = 2,340,608.10 × 840,007.60
  4. Step 4: Simplify right side
    1,559,093.20x = 1,966,128,592,621.56
  5. Step 5: Solve for x
    x = 1,966,128,592,621.56/1,559,093.20
  6. Step 6: Final answer
    x = 1,261,071.88

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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.