Home / 1,648,964.70-2,473,447.05-1,145,079.90

Finding the Fourth Proportional to 1,648,964.70, 2,473,447.05 and 1,145,079.90

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Solution

The fourth proportional to 1,648,964.70, 2,473,447.05 and 1,145,079.90 is: 1,717,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,964.70 : 2,473,447.05 = 1,145,079.90 : x
  2. Step 2: Convert to fraction form
    1,648,964.70/2,473,447.05 = 1,145,079.90/x
  3. Step 3: Cross multiply
    1,648,964.70x = 2,473,447.05 × 1,145,079.90
  4. Step 4: Simplify right side
    1,648,964.70x = 2,832,294,500,669.29
  5. Step 5: Solve for x
    x = 2,832,294,500,669.29/1,648,964.70
  6. Step 6: Final answer
    x = 1,717,619.85

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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.