Home / 827,910.56-1,247,398.22-748,041.32

Finding the Fourth Proportional to 827,910.56, 1,247,398.22 and 748,041.32

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Solution

The fourth proportional to 827,910.56, 1,247,398.22 and 748,041.32 is: 1,127,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,910.56 : 1,247,398.22 = 748,041.32 : x
  2. Step 2: Convert to fraction form
    827,910.56/1,247,398.22 = 748,041.32/x
  3. Step 3: Cross multiply
    827,910.56x = 1,247,398.22 × 748,041.32
  4. Step 4: Simplify right side
    827,910.56x = 933,105,411,054.45
  5. Step 5: Solve for x
    x = 933,105,411,054.45/827,910.56
  6. Step 6: Final answer
    x = 1,127,060.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.