Home / 1,559,091.20-2,340,605.10-840,005.60

Finding the Fourth Proportional to 1,559,091.20, 2,340,605.10 and 840,005.60

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Solution

The fourth proportional to 1,559,091.20, 2,340,605.10 and 840,005.60 is: 1,261,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,091.20 : 2,340,605.10 = 840,005.60 : x
  2. Step 2: Convert to fraction form
    1,559,091.20/2,340,605.10 = 840,005.60/x
  3. Step 3: Cross multiply
    1,559,091.20x = 2,340,605.10 × 840,005.60
  4. Step 4: Simplify right side
    1,559,091.20x = 1,966,121,391,388.56
  5. Step 5: Solve for x
    x = 1,966,121,391,388.56/1,559,091.20
  6. Step 6: Final answer
    x = 1,261,068.88

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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.