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Finding the Fourth Proportional to 1,114,830, 1,672,522.76 and 326,862

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Solution

The fourth proportional to 1,114,830, 1,672,522.76 and 326,862 is: 490,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,830 : 1,672,522.76 = 326,862 : x
  2. Step 2: Convert to fraction form
    1,114,830/1,672,522.76 = 326,862/x
  3. Step 3: Cross multiply
    1,114,830x = 1,672,522.76 × 326,862
  4. Step 4: Simplify right side
    1,114,830x = 546,684,134,379.12
  5. Step 5: Solve for x
    x = 546,684,134,379.12/1,114,830
  6. Step 6: Final answer
    x = 490,374.44

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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.