Home / 1,385,488.49-1,911,805.17-773,675.24

Finding the Fourth Proportional to 1,385,488.49, 1,911,805.17 and 773,675.24

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Solution

The fourth proportional to 1,385,488.49, 1,911,805.17 and 773,675.24 is: 1,067,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,488.49 : 1,911,805.17 = 773,675.24 : x
  2. Step 2: Convert to fraction form
    1,385,488.49/1,911,805.17 = 773,675.24/x
  3. Step 3: Cross multiply
    1,385,488.49x = 1,911,805.17 × 773,675.24
  4. Step 4: Simplify right side
    1,385,488.49x = 1,479,116,314,173.97
  5. Step 5: Solve for x
    x = 1,479,116,314,173.97/1,385,488.49
  6. Step 6: Final answer
    x = 1,067,577.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.