Home / 890,977.05-1,337,606.06-765,420.57

Finding the Fourth Proportional to 890,977.05, 1,337,606.06 and 765,420.57

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Solution

The fourth proportional to 890,977.05, 1,337,606.06 and 765,420.57 is: 1,149,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,977.05 : 1,337,606.06 = 765,420.57 : x
  2. Step 2: Convert to fraction form
    890,977.05/1,337,606.06 = 765,420.57/x
  3. Step 3: Cross multiply
    890,977.05x = 1,337,606.06 × 765,420.57
  4. Step 4: Simplify right side
    890,977.05x = 1,023,831,189,053.55
  5. Step 5: Solve for x
    x = 1,023,831,189,053.55/890,977.05
  6. Step 6: Final answer
    x = 1,149,110.62

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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.