Home / 1,008,880.80-1,392,213.12-549,985.44

Finding the Fourth Proportional to 1,008,880.80, 1,392,213.12 and 549,985.44

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Solution

The fourth proportional to 1,008,880.80, 1,392,213.12 and 549,985.44 is: 758,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,880.80 : 1,392,213.12 = 549,985.44 : x
  2. Step 2: Convert to fraction form
    1,008,880.80/1,392,213.12 = 549,985.44/x
  3. Step 3: Cross multiply
    1,008,880.80x = 1,392,213.12 × 549,985.44
  4. Step 4: Simplify right side
    1,008,880.80x = 765,696,945,376.97
  5. Step 5: Solve for x
    x = 765,696,945,376.97/1,008,880.80
  6. Step 6: Final answer
    x = 758,956.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.