Home / 907,795.20-1,362,130.20-640,981.20

Finding the Fourth Proportional to 907,795.20, 1,362,130.20 and 640,981.20

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Solution

The fourth proportional to 907,795.20, 1,362,130.20 and 640,981.20 is: 961,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,795.20 : 1,362,130.20 = 640,981.20 : x
  2. Step 2: Convert to fraction form
    907,795.20/1,362,130.20 = 640,981.20/x
  3. Step 3: Cross multiply
    907,795.20x = 1,362,130.20 × 640,981.20
  4. Step 4: Simplify right side
    907,795.20x = 873,099,850,152.24
  5. Step 5: Solve for x
    x = 873,099,850,152.24/907,795.20
  6. Step 6: Final answer
    x = 961,780.64

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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.