Home / 1,221,344.70-1,832,017.05-1,097,341.80

Finding the Fourth Proportional to 1,221,344.70, 1,832,017.05 and 1,097,341.80

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Solution

The fourth proportional to 1,221,344.70, 1,832,017.05 and 1,097,341.80 is: 1,646,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,344.70 : 1,832,017.05 = 1,097,341.80 : x
  2. Step 2: Convert to fraction form
    1,221,344.70/1,832,017.05 = 1,097,341.80/x
  3. Step 3: Cross multiply
    1,221,344.70x = 1,832,017.05 × 1,097,341.80
  4. Step 4: Simplify right side
    1,221,344.70x = 2,010,348,887,277.69
  5. Step 5: Solve for x
    x = 2,010,348,887,277.69/1,221,344.70
  6. Step 6: Final answer
    x = 1,646,012.70

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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.