Home / 1,449,492.16-1,999,977.12-876,520.32

Finding the Fourth Proportional to 1,449,492.16, 1,999,977.12 and 876,520.32

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Solution

The fourth proportional to 1,449,492.16, 1,999,977.12 and 876,520.32 is: 1,209,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,492.16 : 1,999,977.12 = 876,520.32 : x
  2. Step 2: Convert to fraction form
    1,449,492.16/1,999,977.12 = 876,520.32/x
  3. Step 3: Cross multiply
    1,449,492.16x = 1,999,977.12 × 876,520.32
  4. Step 4: Simplify right side
    1,449,492.16x = 1,753,020,585,215.08
  5. Step 5: Solve for x
    x = 1,753,020,585,215.08/1,449,492.16
  6. Step 6: Final answer
    x = 1,209,403.29

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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.