Home / 1,719,904.80-2,579,878.80-457,724.64

Finding the Fourth Proportional to 1,719,904.80, 2,579,878.80 and 457,724.64

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Solution

The fourth proportional to 1,719,904.80, 2,579,878.80 and 457,724.64 is: 686,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,904.80 : 2,579,878.80 = 457,724.64 : x
  2. Step 2: Convert to fraction form
    1,719,904.80/2,579,878.80 = 457,724.64/x
  3. Step 3: Cross multiply
    1,719,904.80x = 2,579,878.80 × 457,724.64
  4. Step 4: Simplify right side
    1,719,904.80x = 1,180,874,094,973.63
  5. Step 5: Solve for x
    x = 1,180,874,094,973.63/1,719,904.80
  6. Step 6: Final answer
    x = 686,592.71

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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.