Home / 1,063,539.32-1,468,226.05-821,278.04

Finding the Fourth Proportional to 1,063,539.32, 1,468,226.05 and 821,278.04

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Solution

The fourth proportional to 1,063,539.32, 1,468,226.05 and 821,278.04 is: 1,133,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,539.32 : 1,468,226.05 = 821,278.04 : x
  2. Step 2: Convert to fraction form
    1,063,539.32/1,468,226.05 = 821,278.04/x
  3. Step 3: Cross multiply
    1,063,539.32x = 1,468,226.05 × 821,278.04
  4. Step 4: Simplify right side
    1,063,539.32x = 1,205,821,803,226.62
  5. Step 5: Solve for x
    x = 1,205,821,803,226.62/1,063,539.32
  6. Step 6: Final answer
    x = 1,133,782.07

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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.