Home / 1,342,822.65-1,853,129.71-826,384.47

Finding the Fourth Proportional to 1,342,822.65, 1,853,129.71 and 826,384.47

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Solution

The fourth proportional to 1,342,822.65, 1,853,129.71 and 826,384.47 is: 1,140,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,822.65 : 1,853,129.71 = 826,384.47 : x
  2. Step 2: Convert to fraction form
    1,342,822.65/1,853,129.71 = 826,384.47/x
  3. Step 3: Cross multiply
    1,342,822.65x = 1,853,129.71 × 826,384.47
  4. Step 4: Simplify right side
    1,342,822.65x = 1,531,397,613,239.60
  5. Step 5: Solve for x
    x = 1,531,397,613,239.60/1,342,822.65
  6. Step 6: Final answer
    x = 1,140,431.77

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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.