Home / 1,109,743.95-1,531,282.44-673,934.67

Finding the Fourth Proportional to 1,109,743.95, 1,531,282.44 and 673,934.67

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Solution

The fourth proportional to 1,109,743.95, 1,531,282.44 and 673,934.67 is: 929,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,743.95 : 1,531,282.44 = 673,934.67 : x
  2. Step 2: Convert to fraction form
    1,109,743.95/1,531,282.44 = 673,934.67/x
  3. Step 3: Cross multiply
    1,109,743.95x = 1,531,282.44 × 673,934.67
  4. Step 4: Simplify right side
    1,109,743.95x = 1,031,984,325,878.19
  5. Step 5: Solve for x
    x = 1,031,984,325,878.19/1,109,743.95
  6. Step 6: Final answer
    x = 929,930.12

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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.