Home / 1,082,368.30-1,492,445.93-809,561.92

Finding the Fourth Proportional to 1,082,368.30, 1,492,445.93 and 809,561.92

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Solution

The fourth proportional to 1,082,368.30, 1,492,445.93 and 809,561.92 is: 1,116,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,368.30 : 1,492,445.93 = 809,561.92 : x
  2. Step 2: Convert to fraction form
    1,082,368.30/1,492,445.93 = 809,561.92/x
  3. Step 3: Cross multiply
    1,082,368.30x = 1,492,445.93 × 809,561.92
  4. Step 4: Simplify right side
    1,082,368.30x = 1,208,227,381,076.95
  5. Step 5: Solve for x
    x = 1,208,227,381,076.95/1,082,368.30
  6. Step 6: Final answer
    x = 1,116,281.20

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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.