Home / 1,053,792.35-1,454,268.69-645,815.38

Finding the Fourth Proportional to 1,053,792.35, 1,454,268.69 and 645,815.38

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Solution

The fourth proportional to 1,053,792.35, 1,454,268.69 and 645,815.38 is: 891,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,792.35 : 1,454,268.69 = 645,815.38 : x
  2. Step 2: Convert to fraction form
    1,053,792.35/1,454,268.69 = 645,815.38/x
  3. Step 3: Cross multiply
    1,053,792.35x = 1,454,268.69 × 645,815.38
  4. Step 4: Simplify right side
    1,053,792.35x = 939,189,086,654.45
  5. Step 5: Solve for x
    x = 939,189,086,654.45/1,053,792.35
  6. Step 6: Final answer
    x = 891,246.83

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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.