Home / 781,647.66-1,171,183.59-716,280.66

Finding the Fourth Proportional to 781,647.66, 1,171,183.59 and 716,280.66

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Solution

The fourth proportional to 781,647.66, 1,171,183.59 and 716,280.66 is: 1,073,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,647.66 : 1,171,183.59 = 716,280.66 : x
  2. Step 2: Convert to fraction form
    781,647.66/1,171,183.59 = 716,280.66/x
  3. Step 3: Cross multiply
    781,647.66x = 1,171,183.59 × 716,280.66
  4. Step 4: Simplify right side
    781,647.66x = 838,896,154,826.37
  5. Step 5: Solve for x
    x = 838,896,154,826.37/781,647.66
  6. Step 6: Final answer
    x = 1,073,240.79

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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.