Home / 1,410,127.92-2,113,091.60-779,222.16

Finding the Fourth Proportional to 1,410,127.92, 2,113,091.60 and 779,222.16

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Solution

The fourth proportional to 1,410,127.92, 2,113,091.60 and 779,222.16 is: 1,167,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,127.92 : 2,113,091.60 = 779,222.16 : x
  2. Step 2: Convert to fraction form
    1,410,127.92/2,113,091.60 = 779,222.16/x
  3. Step 3: Cross multiply
    1,410,127.92x = 2,113,091.60 × 779,222.16
  4. Step 4: Simplify right side
    1,410,127.92x = 1,646,567,800,829.86
  5. Step 5: Solve for x
    x = 1,646,567,800,829.86/1,410,127.92
  6. Step 6: Final answer
    x = 1,167,672.65

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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.