Home / 1,647,129.60-2,470,694.40-849,968.10

Finding the Fourth Proportional to 1,647,129.60, 2,470,694.40 and 849,968.10

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Solution

The fourth proportional to 1,647,129.60, 2,470,694.40 and 849,968.10 is: 1,274,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,129.60 : 2,470,694.40 = 849,968.10 : x
  2. Step 2: Convert to fraction form
    1,647,129.60/2,470,694.40 = 849,968.10/x
  3. Step 3: Cross multiply
    1,647,129.60x = 2,470,694.40 × 849,968.10
  4. Step 4: Simplify right side
    1,647,129.60x = 2,100,011,424,848.64
  5. Step 5: Solve for x
    x = 2,100,011,424,848.64/1,647,129.60
  6. Step 6: Final answer
    x = 1,274,952.15

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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.