Home / 1,600,974.25-2,209,361.91-875,806.40

Finding the Fourth Proportional to 1,600,974.25, 2,209,361.91 and 875,806.40

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Solution

The fourth proportional to 1,600,974.25, 2,209,361.91 and 875,806.40 is: 1,208,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,974.25 : 2,209,361.91 = 875,806.40 : x
  2. Step 2: Convert to fraction form
    1,600,974.25/2,209,361.91 = 875,806.40/x
  3. Step 3: Cross multiply
    1,600,974.25x = 2,209,361.91 × 875,806.40
  4. Step 4: Simplify right side
    1,600,974.25x = 1,934,973,300,694.22
  5. Step 5: Solve for x
    x = 1,934,973,300,694.22/1,600,974.25
  6. Step 6: Final answer
    x = 1,208,622.38

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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.