Home / 878,444.08-1,315,155.76-822,643.12

Finding the Fourth Proportional to 878,444.08, 1,315,155.76 and 822,643.12

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Solution

The fourth proportional to 878,444.08, 1,315,155.76 and 822,643.12 is: 1,231,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,444.08 : 1,315,155.76 = 822,643.12 : x
  2. Step 2: Convert to fraction form
    878,444.08/1,315,155.76 = 822,643.12/x
  3. Step 3: Cross multiply
    878,444.08x = 1,315,155.76 × 822,643.12
  4. Step 4: Simplify right side
    878,444.08x = 1,081,903,837,692.37
  5. Step 5: Solve for x
    x = 1,081,903,837,692.37/878,444.08
  6. Step 6: Final answer
    x = 1,231,613.78

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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.