Home / 1,242,904.20-1,715,443.62-777,973.82

Finding the Fourth Proportional to 1,242,904.20, 1,715,443.62 and 777,973.82

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Solution

The fourth proportional to 1,242,904.20, 1,715,443.62 and 777,973.82 is: 1,073,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,904.20 : 1,715,443.62 = 777,973.82 : x
  2. Step 2: Convert to fraction form
    1,242,904.20/1,715,443.62 = 777,973.82/x
  3. Step 3: Cross multiply
    1,242,904.20x = 1,715,443.62 × 777,973.82
  4. Step 4: Simplify right side
    1,242,904.20x = 1,334,570,214,551.41
  5. Step 5: Solve for x
    x = 1,334,570,214,551.41/1,242,904.20
  6. Step 6: Final answer
    x = 1,073,751.48

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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.