Home / 1,529,969.40-2,294,954.10-921,108.60

Finding the Fourth Proportional to 1,529,969.40, 2,294,954.10 and 921,108.60

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Solution

The fourth proportional to 1,529,969.40, 2,294,954.10 and 921,108.60 is: 1,381,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,969.40 : 2,294,954.10 = 921,108.60 : x
  2. Step 2: Convert to fraction form
    1,529,969.40/2,294,954.10 = 921,108.60/x
  3. Step 3: Cross multiply
    1,529,969.40x = 2,294,954.10 × 921,108.60
  4. Step 4: Simplify right side
    1,529,969.40x = 2,113,901,958,115.26
  5. Step 5: Solve for x
    x = 2,113,901,958,115.26/1,529,969.40
  6. Step 6: Final answer
    x = 1,381,662.90

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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.