Home / 1,010,860.56-1,394,950.80-558,141.84

Finding the Fourth Proportional to 1,010,860.56, 1,394,950.80 and 558,141.84

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Solution

The fourth proportional to 1,010,860.56, 1,394,950.80 and 558,141.84 is: 770,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,860.56 : 1,394,950.80 = 558,141.84 : x
  2. Step 2: Convert to fraction form
    1,010,860.56/1,394,950.80 = 558,141.84/x
  3. Step 3: Cross multiply
    1,010,860.56x = 1,394,950.80 × 558,141.84
  4. Step 4: Simplify right side
    1,010,860.56x = 778,580,406,221.47
  5. Step 5: Solve for x
    x = 778,580,406,221.47/1,010,860.56
  6. Step 6: Final answer
    x = 770,215.44

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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.