Home / 1,603,987.74-2,213,418.33-915,632.28

Finding the Fourth Proportional to 1,603,987.74, 2,213,418.33 and 915,632.28

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Solution

The fourth proportional to 1,603,987.74, 2,213,418.33 and 915,632.28 is: 1,263,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,987.74 : 2,213,418.33 = 915,632.28 : x
  2. Step 2: Convert to fraction form
    1,603,987.74/2,213,418.33 = 915,632.28/x
  3. Step 3: Cross multiply
    1,603,987.74x = 2,213,418.33 × 915,632.28
  4. Step 4: Simplify right side
    1,603,987.74x = 2,026,677,272,091.69
  5. Step 5: Solve for x
    x = 2,026,677,272,091.69/1,603,987.74
  6. Step 6: Final answer
    x = 1,263,524.17

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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.