Home / 1,010,045.52-1,515,308.85-378,964.80

Finding the Fourth Proportional to 1,010,045.52, 1,515,308.85 and 378,964.80

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Solution

The fourth proportional to 1,010,045.52, 1,515,308.85 and 378,964.80 is: 568,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,045.52 : 1,515,308.85 = 378,964.80 : x
  2. Step 2: Convert to fraction form
    1,010,045.52/1,515,308.85 = 378,964.80/x
  3. Step 3: Cross multiply
    1,010,045.52x = 1,515,308.85 × 378,964.80
  4. Step 4: Simplify right side
    1,010,045.52x = 574,248,713,383.66
  5. Step 5: Solve for x
    x = 574,248,713,383.66/1,010,045.52
  6. Step 6: Final answer
    x = 568,537.46

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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.