Home / 1,418,714.80-2,128,072.20-1,241,567.80

Finding the Fourth Proportional to 1,418,714.80, 2,128,072.20 and 1,241,567.80

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Solution

The fourth proportional to 1,418,714.80, 2,128,072.20 and 1,241,567.80 is: 1,862,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,714.80 : 2,128,072.20 = 1,241,567.80 : x
  2. Step 2: Convert to fraction form
    1,418,714.80/2,128,072.20 = 1,241,567.80/x
  3. Step 3: Cross multiply
    1,418,714.80x = 2,128,072.20 × 1,241,567.80
  4. Step 4: Simplify right side
    1,418,714.80x = 2,642,145,919,595.16
  5. Step 5: Solve for x
    x = 2,642,145,919,595.16/1,418,714.80
  6. Step 6: Final answer
    x = 1,862,351.70

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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.