Home / 927,078.78-1,388,265.93-776,924.22

Finding the Fourth Proportional to 927,078.78, 1,388,265.93 and 776,924.22

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Solution

The fourth proportional to 927,078.78, 1,388,265.93 and 776,924.22 is: 1,163,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,078.78 : 1,388,265.93 = 776,924.22 : x
  2. Step 2: Convert to fraction form
    927,078.78/1,388,265.93 = 776,924.22/x
  3. Step 3: Cross multiply
    927,078.78x = 1,388,265.93 × 776,924.22
  4. Step 4: Simplify right side
    927,078.78x = 1,078,577,424,817.82
  5. Step 5: Solve for x
    x = 1,078,577,424,817.82/927,078.78
  6. Step 6: Final answer
    x = 1,163,415.07

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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.