Home / 1,348,803.72-1,861,326.96-736,943.28

Finding the Fourth Proportional to 1,348,803.72, 1,861,326.96 and 736,943.28

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Solution

The fourth proportional to 1,348,803.72, 1,861,326.96 and 736,943.28 is: 1,016,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,803.72 : 1,861,326.96 = 736,943.28 : x
  2. Step 2: Convert to fraction form
    1,348,803.72/1,861,326.96 = 736,943.28/x
  3. Step 3: Cross multiply
    1,348,803.72x = 1,861,326.96 × 736,943.28
  4. Step 4: Simplify right side
    1,348,803.72x = 1,371,692,395,054.83
  5. Step 5: Solve for x
    x = 1,371,692,395,054.83/1,348,803.72
  6. Step 6: Final answer
    x = 1,016,969.61

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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.