Home / 1,377,979.56-2,066,509.44-579,112.20

Finding the Fourth Proportional to 1,377,979.56, 2,066,509.44 and 579,112.20

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Solution

The fourth proportional to 1,377,979.56, 2,066,509.44 and 579,112.20 is: 868,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,979.56 : 2,066,509.44 = 579,112.20 : x
  2. Step 2: Convert to fraction form
    1,377,979.56/2,066,509.44 = 579,112.20/x
  3. Step 3: Cross multiply
    1,377,979.56x = 2,066,509.44 × 579,112.20
  4. Step 4: Simplify right side
    1,377,979.56x = 1,196,740,828,119.17
  5. Step 5: Solve for x
    x = 1,196,740,828,119.17/1,377,979.56
  6. Step 6: Final answer
    x = 868,475.02

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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.