Home / 1,071,019.38-1,478,102.34-587,678.64

Finding the Fourth Proportional to 1,071,019.38, 1,478,102.34 and 587,678.64

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Solution

The fourth proportional to 1,071,019.38, 1,478,102.34 and 587,678.64 is: 811,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,019.38 : 1,478,102.34 = 587,678.64 : x
  2. Step 2: Convert to fraction form
    1,071,019.38/1,478,102.34 = 587,678.64/x
  3. Step 3: Cross multiply
    1,071,019.38x = 1,478,102.34 × 587,678.64
  4. Step 4: Simplify right side
    1,071,019.38x = 868,649,172,952.02
  5. Step 5: Solve for x
    x = 868,649,172,952.02/1,071,019.38
  6. Step 6: Final answer
    x = 811,048.98

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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.