Home / 1,345,730.08-2,018,251.32-398,879.32

Finding the Fourth Proportional to 1,345,730.08, 2,018,251.32 and 398,879.32

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Solution

The fourth proportional to 1,345,730.08, 2,018,251.32 and 398,879.32 is: 598,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,730.08 : 2,018,251.32 = 398,879.32 : x
  2. Step 2: Convert to fraction form
    1,345,730.08/2,018,251.32 = 398,879.32/x
  3. Step 3: Cross multiply
    1,345,730.08x = 2,018,251.32 × 398,879.32
  4. Step 4: Simplify right side
    1,345,730.08x = 805,038,714,110.70
  5. Step 5: Solve for x
    x = 805,038,714,110.70/1,345,730.08
  6. Step 6: Final answer
    x = 598,217.08

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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.