Home / 1,515,999.60-2,273,999.40-718,838.10

Finding the Fourth Proportional to 1,515,999.60, 2,273,999.40 and 718,838.10

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Solution

The fourth proportional to 1,515,999.60, 2,273,999.40 and 718,838.10 is: 1,078,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,999.60 : 2,273,999.40 = 718,838.10 : x
  2. Step 2: Convert to fraction form
    1,515,999.60/2,273,999.40 = 718,838.10/x
  3. Step 3: Cross multiply
    1,515,999.60x = 2,273,999.40 × 718,838.10
  4. Step 4: Simplify right side
    1,515,999.60x = 1,634,637,408,097.14
  5. Step 5: Solve for x
    x = 1,634,637,408,097.14/1,515,999.60
  6. Step 6: Final answer
    x = 1,078,257.15

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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.