Home / 1,518,079.10-2,276,790.60-665,149.10

Finding the Fourth Proportional to 1,518,079.10, 2,276,790.60 and 665,149.10

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Solution

The fourth proportional to 1,518,079.10, 2,276,790.60 and 665,149.10 is: 997,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,079.10 : 2,276,790.60 = 665,149.10 : x
  2. Step 2: Convert to fraction form
    1,518,079.10/2,276,790.60 = 665,149.10/x
  3. Step 3: Cross multiply
    1,518,079.10x = 2,276,790.60 × 665,149.10
  4. Step 4: Simplify right side
    1,518,079.10x = 1,514,405,218,478.46
  5. Step 5: Solve for x
    x = 1,514,405,218,478.46/1,518,079.10
  6. Step 6: Final answer
    x = 997,579.91

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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.