Home / 1,063,533.20-1,468,217.60-821,271.92

Finding the Fourth Proportional to 1,063,533.20, 1,468,217.60 and 821,271.92

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Solution

The fourth proportional to 1,063,533.20, 1,468,217.60 and 821,271.92 is: 1,133,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,533.20 : 1,468,217.60 = 821,271.92 : x
  2. Step 2: Convert to fraction form
    1,063,533.20/1,468,217.60 = 821,271.92/x
  3. Step 3: Cross multiply
    1,063,533.20x = 1,468,217.60 × 821,271.92
  4. Step 4: Simplify right side
    1,063,533.20x = 1,205,805,887,329.79
  5. Step 5: Solve for x
    x = 1,205,805,887,329.79/1,063,533.20
  6. Step 6: Final answer
    x = 1,133,773.62

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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.