Home / 1,303,103.45-1,798,294.28-722,339.25

Finding the Fourth Proportional to 1,303,103.45, 1,798,294.28 and 722,339.25

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Solution

The fourth proportional to 1,303,103.45, 1,798,294.28 and 722,339.25 is: 996,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,103.45 : 1,798,294.28 = 722,339.25 : x
  2. Step 2: Convert to fraction form
    1,303,103.45/1,798,294.28 = 722,339.25/x
  3. Step 3: Cross multiply
    1,303,103.45x = 1,798,294.28 × 722,339.25
  4. Step 4: Simplify right side
    1,303,103.45x = 1,298,978,537,882.79
  5. Step 5: Solve for x
    x = 1,298,978,537,882.79/1,303,103.45
  6. Step 6: Final answer
    x = 996,834.55

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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.