Home / 917,490.60-1,376,235.90-681,294.60

Finding the Fourth Proportional to 917,490.60, 1,376,235.90 and 681,294.60

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Solution

The fourth proportional to 917,490.60, 1,376,235.90 and 681,294.60 is: 1,021,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,490.60 : 1,376,235.90 = 681,294.60 : x
  2. Step 2: Convert to fraction form
    917,490.60/1,376,235.90 = 681,294.60/x
  3. Step 3: Cross multiply
    917,490.60x = 1,376,235.90 × 681,294.60
  4. Step 4: Simplify right side
    917,490.60x = 937,622,086,996.14
  5. Step 5: Solve for x
    x = 937,622,086,996.14/917,490.60
  6. Step 6: Final answer
    x = 1,021,941.90

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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.