Home / 1,681,409.38-2,522,097.43-770,333.40

Finding the Fourth Proportional to 1,681,409.38, 2,522,097.43 and 770,333.40

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Solution

The fourth proportional to 1,681,409.38, 2,522,097.43 and 770,333.40 is: 1,155,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,409.38 : 2,522,097.43 = 770,333.40 : x
  2. Step 2: Convert to fraction form
    1,681,409.38/2,522,097.43 = 770,333.40/x
  3. Step 3: Cross multiply
    1,681,409.38x = 2,522,097.43 × 770,333.40
  4. Step 4: Simplify right side
    1,681,409.38x = 1,942,855,888,383.16
  5. Step 5: Solve for x
    x = 1,942,855,888,383.16/1,681,409.38
  6. Step 6: Final answer
    x = 1,155,492.48

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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.