Home / 1,418,447.80-2,127,866.10-471,719.80

Finding the Fourth Proportional to 1,418,447.80, 2,127,866.10 and 471,719.80

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Solution

The fourth proportional to 1,418,447.80, 2,127,866.10 and 471,719.80 is: 707,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,447.80 : 2,127,866.10 = 471,719.80 : x
  2. Step 2: Convert to fraction form
    1,418,447.80/2,127,866.10 = 471,719.80/x
  3. Step 3: Cross multiply
    1,418,447.80x = 2,127,866.10 × 471,719.80
  4. Step 4: Simplify right side
    1,418,447.80x = 1,003,756,571,118.78
  5. Step 5: Solve for x
    x = 1,003,756,571,118.78/1,418,447.80
  6. Step 6: Final answer
    x = 707,644.35

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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.