Home / 1,400,945.60-2,101,418.40-922,648.70

Finding the Fourth Proportional to 1,400,945.60, 2,101,418.40 and 922,648.70

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Solution

The fourth proportional to 1,400,945.60, 2,101,418.40 and 922,648.70 is: 1,383,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,945.60 : 2,101,418.40 = 922,648.70 : x
  2. Step 2: Convert to fraction form
    1,400,945.60/2,101,418.40 = 922,648.70/x
  3. Step 3: Cross multiply
    1,400,945.60x = 2,101,418.40 × 922,648.70
  4. Step 4: Simplify right side
    1,400,945.60x = 1,938,870,954,916.08
  5. Step 5: Solve for x
    x = 1,938,870,954,916.08/1,400,945.60
  6. Step 6: Final answer
    x = 1,383,973.05

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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.