Home / 1,798,874.97-2,698,016.87-645,882.84

Finding the Fourth Proportional to 1,798,874.97, 2,698,016.87 and 645,882.84

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Solution

The fourth proportional to 1,798,874.97, 2,698,016.87 and 645,882.84 is: 968,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,874.97 : 2,698,016.87 = 645,882.84 : x
  2. Step 2: Convert to fraction form
    1,798,874.97/2,698,016.87 = 645,882.84/x
  3. Step 3: Cross multiply
    1,798,874.97x = 2,698,016.87 × 645,882.84
  4. Step 4: Simplify right side
    1,798,874.97x = 1,742,602,795,563.38
  5. Step 5: Solve for x
    x = 1,742,602,795,563.38/1,798,874.97
  6. Step 6: Final answer
    x = 968,718.13

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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.