Home / 1,628,127.60-2,441,500.20-786,937.20

Finding the Fourth Proportional to 1,628,127.60, 2,441,500.20 and 786,937.20

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Solution

The fourth proportional to 1,628,127.60, 2,441,500.20 and 786,937.20 is: 1,180,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,127.60 : 2,441,500.20 = 786,937.20 : x
  2. Step 2: Convert to fraction form
    1,628,127.60/2,441,500.20 = 786,937.20/x
  3. Step 3: Cross multiply
    1,628,127.60x = 2,441,500.20 × 786,937.20
  4. Step 4: Simplify right side
    1,628,127.60x = 1,921,307,331,187.44
  5. Step 5: Solve for x
    x = 1,921,307,331,187.44/1,628,127.60
  6. Step 6: Final answer
    x = 1,180,071.72

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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.