Home / 1,780,272-2,670,742.80-715,398.48

Finding the Fourth Proportional to 1,780,272, 2,670,742.80 and 715,398.48

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Solution

The fourth proportional to 1,780,272, 2,670,742.80 and 715,398.48 is: 1,073,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,272 : 2,670,742.80 = 715,398.48 : x
  2. Step 2: Convert to fraction form
    1,780,272/2,670,742.80 = 715,398.48/x
  3. Step 3: Cross multiply
    1,780,272x = 2,670,742.80 × 715,398.48
  4. Step 4: Simplify right side
    1,780,272x = 1,910,645,339,590.94
  5. Step 5: Solve for x
    x = 1,910,645,339,590.94/1,780,272
  6. Step 6: Final answer
    x = 1,073,232.26

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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.