Home / 1,369,246.80-2,054,161.80-422,713.20

Finding the Fourth Proportional to 1,369,246.80, 2,054,161.80 and 422,713.20

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Solution

The fourth proportional to 1,369,246.80, 2,054,161.80 and 422,713.20 is: 634,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,246.80 : 2,054,161.80 = 422,713.20 : x
  2. Step 2: Convert to fraction form
    1,369,246.80/2,054,161.80 = 422,713.20/x
  3. Step 3: Cross multiply
    1,369,246.80x = 2,054,161.80 × 422,713.20
  4. Step 4: Simplify right side
    1,369,246.80x = 868,321,307,795.76
  5. Step 5: Solve for x
    x = 868,321,307,795.76/1,369,246.80
  6. Step 6: Final answer
    x = 634,159.82

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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.