Home / 1,344,007.10-2,016,010.65-812,128.70

Finding the Fourth Proportional to 1,344,007.10, 2,016,010.65 and 812,128.70

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Solution

The fourth proportional to 1,344,007.10, 2,016,010.65 and 812,128.70 is: 1,218,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,007.10 : 2,016,010.65 = 812,128.70 : x
  2. Step 2: Convert to fraction form
    1,344,007.10/2,016,010.65 = 812,128.70/x
  3. Step 3: Cross multiply
    1,344,007.10x = 2,016,010.65 × 812,128.70
  4. Step 4: Simplify right side
    1,344,007.10x = 1,637,260,108,370.65
  5. Step 5: Solve for x
    x = 1,637,260,108,370.65/1,344,007.10
  6. Step 6: Final answer
    x = 1,218,193.05

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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.