Home / 1,480,024.60-2,219,647.92-638,389.24

Finding the Fourth Proportional to 1,480,024.60, 2,219,647.92 and 638,389.24

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Solution

The fourth proportional to 1,480,024.60, 2,219,647.92 and 638,389.24 is: 957,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,024.60 : 2,219,647.92 = 638,389.24 : x
  2. Step 2: Convert to fraction form
    1,480,024.60/2,219,647.92 = 638,389.24/x
  3. Step 3: Cross multiply
    1,480,024.60x = 2,219,647.92 × 638,389.24
  4. Step 4: Simplify right side
    1,480,024.60x = 1,416,999,348,716.38
  5. Step 5: Solve for x
    x = 1,416,999,348,716.38/1,480,024.60
  6. Step 6: Final answer
    x = 957,416.08

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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.