Home / 1,013,499.55-1,398,629.52-554,614.22

Finding the Fourth Proportional to 1,013,499.55, 1,398,629.52 and 554,614.22

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Solution

The fourth proportional to 1,013,499.55, 1,398,629.52 and 554,614.22 is: 765,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,499.55 : 1,398,629.52 = 554,614.22 : x
  2. Step 2: Convert to fraction form
    1,013,499.55/1,398,629.52 = 554,614.22/x
  3. Step 3: Cross multiply
    1,013,499.55x = 1,398,629.52 × 554,614.22
  4. Step 4: Simplify right side
    1,013,499.55x = 775,699,823,020.39
  5. Step 5: Solve for x
    x = 775,699,823,020.39/1,013,499.55
  6. Step 6: Final answer
    x = 765,367.70

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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.