Home / 1,745,791.78-2,408,831.40-1,020,499.24

Finding the Fourth Proportional to 1,745,791.78, 2,408,831.40 and 1,020,499.24

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Solution

The fourth proportional to 1,745,791.78, 2,408,831.40 and 1,020,499.24 is: 1,408,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,791.78 : 2,408,831.40 = 1,020,499.24 : x
  2. Step 2: Convert to fraction form
    1,745,791.78/2,408,831.40 = 1,020,499.24/x
  3. Step 3: Cross multiply
    1,745,791.78x = 2,408,831.40 × 1,020,499.24
  4. Step 4: Simplify right side
    1,745,791.78x = 2,458,210,612,988.14
  5. Step 5: Solve for x
    x = 2,458,210,612,988.14/1,745,791.78
  6. Step 6: Final answer
    x = 1,408,077.78

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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.