Home / 1,083,845.40-1,492,294.23-920,178.18

Finding the Fourth Proportional to 1,083,845.40, 1,492,294.23 and 920,178.18

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Solution

The fourth proportional to 1,083,845.40, 1,492,294.23 and 920,178.18 is: 1,266,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,845.40 : 1,492,294.23 = 920,178.18 : x
  2. Step 2: Convert to fraction form
    1,083,845.40/1,492,294.23 = 920,178.18/x
  3. Step 3: Cross multiply
    1,083,845.40x = 1,492,294.23 × 920,178.18
  4. Step 4: Simplify right side
    1,083,845.40x = 1,373,176,588,585.90
  5. Step 5: Solve for x
    x = 1,373,176,588,585.90/1,083,845.40
  6. Step 6: Final answer
    x = 1,266,948.76

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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.