Home / 993,528.72-1,489,119.66-424,743.48

Finding the Fourth Proportional to 993,528.72, 1,489,119.66 and 424,743.48

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Solution

The fourth proportional to 993,528.72, 1,489,119.66 and 424,743.48 is: 636,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,528.72 : 1,489,119.66 = 424,743.48 : x
  2. Step 2: Convert to fraction form
    993,528.72/1,489,119.66 = 424,743.48/x
  3. Step 3: Cross multiply
    993,528.72x = 1,489,119.66 × 424,743.48
  4. Step 4: Simplify right side
    993,528.72x = 632,493,866,524.82
  5. Step 5: Solve for x
    x = 632,493,866,524.82/993,528.72
  6. Step 6: Final answer
    x = 636,613.57

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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.