Home / 1,690,945-2,333,753.38-1,070,806.74

Finding the Fourth Proportional to 1,690,945, 2,333,753.38 and 1,070,806.74

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Solution

The fourth proportional to 1,690,945, 2,333,753.38 and 1,070,806.74 is: 1,477,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,945 : 2,333,753.38 = 1,070,806.74 : x
  2. Step 2: Convert to fraction form
    1,690,945/2,333,753.38 = 1,070,806.74/x
  3. Step 3: Cross multiply
    1,690,945x = 2,333,753.38 × 1,070,806.74
  4. Step 4: Simplify right side
    1,690,945x = 2,498,998,848,801.78
  5. Step 5: Solve for x
    x = 2,498,998,848,801.78/1,690,945
  6. Step 6: Final answer
    x = 1,477,871.16

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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.