Home / 1,221,367.80-1,832,051.70-1,203,653.10

Finding the Fourth Proportional to 1,221,367.80, 1,832,051.70 and 1,203,653.10

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Solution

The fourth proportional to 1,221,367.80, 1,832,051.70 and 1,203,653.10 is: 1,805,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,367.80 : 1,832,051.70 = 1,203,653.10 : x
  2. Step 2: Convert to fraction form
    1,221,367.80/1,832,051.70 = 1,203,653.10/x
  3. Step 3: Cross multiply
    1,221,367.80x = 1,832,051.70 × 1,203,653.10
  4. Step 4: Simplify right side
    1,221,367.80x = 2,205,154,708,065.27
  5. Step 5: Solve for x
    x = 2,205,154,708,065.27/1,221,367.80
  6. Step 6: Final answer
    x = 1,805,479.65

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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.