Home / 1,578,099.54-2,366,805.70-425,319.20

Finding the Fourth Proportional to 1,578,099.54, 2,366,805.70 and 425,319.20

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Solution

The fourth proportional to 1,578,099.54, 2,366,805.70 and 425,319.20 is: 637,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,099.54 : 2,366,805.70 = 425,319.20 : x
  2. Step 2: Convert to fraction form
    1,578,099.54/2,366,805.70 = 425,319.20/x
  3. Step 3: Cross multiply
    1,578,099.54x = 2,366,805.70 × 425,319.20
  4. Step 4: Simplify right side
    1,578,099.54x = 1,006,647,906,879.44
  5. Step 5: Solve for x
    x = 1,006,647,906,879.44/1,578,099.54
  6. Step 6: Final answer
    x = 637,886.19

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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.