Home / 907,793.20-1,362,127.20-640,979.20

Finding the Fourth Proportional to 907,793.20, 1,362,127.20 and 640,979.20

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Solution

The fourth proportional to 907,793.20, 1,362,127.20 and 640,979.20 is: 961,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,793.20 : 1,362,127.20 = 640,979.20 : x
  2. Step 2: Convert to fraction form
    907,793.20/1,362,127.20 = 640,979.20/x
  3. Step 3: Cross multiply
    907,793.20x = 1,362,127.20 × 640,979.20
  4. Step 4: Simplify right side
    907,793.20x = 873,095,202,954.24
  5. Step 5: Solve for x
    x = 873,095,202,954.24/907,793.20
  6. Step 6: Final answer
    x = 961,777.64

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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.