Home / 1,245,175.20-1,867,762.80-403,726.95

Finding the Fourth Proportional to 1,245,175.20, 1,867,762.80 and 403,726.95

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Solution

The fourth proportional to 1,245,175.20, 1,867,762.80 and 403,726.95 is: 605,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,175.20 : 1,867,762.80 = 403,726.95 : x
  2. Step 2: Convert to fraction form
    1,245,175.20/1,867,762.80 = 403,726.95/x
  3. Step 3: Cross multiply
    1,245,175.20x = 1,867,762.80 × 403,726.95
  4. Step 4: Simplify right side
    1,245,175.20x = 754,066,178,567.46
  5. Step 5: Solve for x
    x = 754,066,178,567.46/1,245,175.20
  6. Step 6: Final answer
    x = 605,590.43

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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.