Home / 821,023.74-1,133,795.22-776,294.72

Finding the Fourth Proportional to 821,023.74, 1,133,795.22 and 776,294.72

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Solution

The fourth proportional to 821,023.74, 1,133,795.22 and 776,294.72 is: 1,072,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,023.74 : 1,133,795.22 = 776,294.72 : x
  2. Step 2: Convert to fraction form
    821,023.74/1,133,795.22 = 776,294.72/x
  3. Step 3: Cross multiply
    821,023.74x = 1,133,795.22 × 776,294.72
  4. Step 4: Simplify right side
    821,023.74x = 880,159,242,847.24
  5. Step 5: Solve for x
    x = 880,159,242,847.24/821,023.74
  6. Step 6: Final answer
    x = 1,072,026.54

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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.