Home / 1,478,508.26-2,217,427.92-679,021.25

Finding the Fourth Proportional to 1,478,508.26, 2,217,427.92 and 679,021.25

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Solution

The fourth proportional to 1,478,508.26, 2,217,427.92 and 679,021.25 is: 1,018,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,508.26 : 2,217,427.92 = 679,021.25 : x
  2. Step 2: Convert to fraction form
    1,478,508.26/2,217,427.92 = 679,021.25/x
  3. Step 3: Cross multiply
    1,478,508.26x = 2,217,427.92 × 679,021.25
  4. Step 4: Simplify right side
    1,478,508.26x = 1,505,680,666,936.16
  5. Step 5: Solve for x
    x = 1,505,680,666,936.16/1,478,508.26
  6. Step 6: Final answer
    x = 1,018,378.26

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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.