Home / 1,507,048.20-2,079,718.26-818,714.60

Finding the Fourth Proportional to 1,507,048.20, 2,079,718.26 and 818,714.60

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Solution

The fourth proportional to 1,507,048.20, 2,079,718.26 and 818,714.60 is: 1,129,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,048.20 : 2,079,718.26 = 818,714.60 : x
  2. Step 2: Convert to fraction form
    1,507,048.20/2,079,718.26 = 818,714.60/x
  3. Step 3: Cross multiply
    1,507,048.20x = 2,079,718.26 × 818,714.60
  4. Step 4: Simplify right side
    1,507,048.20x = 1,702,695,703,348.60
  5. Step 5: Solve for x
    x = 1,702,695,703,348.60/1,507,048.20
  6. Step 6: Final answer
    x = 1,129,821.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.