Home / 1,013,499.23-1,398,629.09-554,613.91

Finding the Fourth Proportional to 1,013,499.23, 1,398,629.09 and 554,613.91

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Solution

The fourth proportional to 1,013,499.23, 1,398,629.09 and 554,613.91 is: 765,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,499.23 : 1,398,629.09 = 554,613.91 : x
  2. Step 2: Convert to fraction form
    1,013,499.23/1,398,629.09 = 554,613.91/x
  3. Step 3: Cross multiply
    1,013,499.23x = 1,398,629.09 × 554,613.91
  4. Step 4: Simplify right side
    1,013,499.23x = 775,699,145,471.57
  5. Step 5: Solve for x
    x = 775,699,145,471.57/1,013,499.23
  6. Step 6: Final answer
    x = 765,367.27

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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.