Home / 1,013,352.39-1,398,659.81-669,256.29

Finding the Fourth Proportional to 1,013,352.39, 1,398,659.81 and 669,256.29

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Solution

The fourth proportional to 1,013,352.39, 1,398,659.81 and 669,256.29 is: 923,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,352.39 : 1,398,659.81 = 669,256.29 : x
  2. Step 2: Convert to fraction form
    1,013,352.39/1,398,659.81 = 669,256.29/x
  3. Step 3: Cross multiply
    1,013,352.39x = 1,398,659.81 × 669,256.29
  4. Step 4: Simplify right side
    1,013,352.39x = 936,061,872,066.42
  5. Step 5: Solve for x
    x = 936,061,872,066.42/1,013,352.39
  6. Step 6: Final answer
    x = 923,727.90

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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.