Home / 1,315,400.62-1,802,068.69-1,266,221.39

Finding the Fourth Proportional to 1,315,400.62, 1,802,068.69 and 1,266,221.39

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Solution

The fourth proportional to 1,315,400.62, 1,802,068.69 and 1,266,221.39 is: 1,734,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,400.62 : 1,802,068.69 = 1,266,221.39 : x
  2. Step 2: Convert to fraction form
    1,315,400.62/1,802,068.69 = 1,266,221.39/x
  3. Step 3: Cross multiply
    1,315,400.62x = 1,802,068.69 × 1,266,221.39
  4. Step 4: Simplify right side
    1,315,400.62x = 2,281,817,921,527.28
  5. Step 5: Solve for x
    x = 2,281,817,921,527.28/1,315,400.62
  6. Step 6: Final answer
    x = 1,734,694.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.