Home / 1,610,329.20-2,222,258.88-922,011.60

Finding the Fourth Proportional to 1,610,329.20, 2,222,258.88 and 922,011.60

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Solution

The fourth proportional to 1,610,329.20, 2,222,258.88 and 922,011.60 is: 1,272,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,329.20 : 2,222,258.88 = 922,011.60 : x
  2. Step 2: Convert to fraction form
    1,610,329.20/2,222,258.88 = 922,011.60/x
  3. Step 3: Cross multiply
    1,610,329.20x = 2,222,258.88 × 922,011.60
  4. Step 4: Simplify right side
    1,610,329.20x = 2,048,948,465,563.01
  5. Step 5: Solve for x
    x = 2,048,948,465,563.01/1,610,329.20
  6. Step 6: Final answer
    x = 1,272,378.63

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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.