Home / 1,123,359.20-1,685,038.80-624,723.20

Finding the Fourth Proportional to 1,123,359.20, 1,685,038.80 and 624,723.20

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Solution

The fourth proportional to 1,123,359.20, 1,685,038.80 and 624,723.20 is: 937,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,359.20 : 1,685,038.80 = 624,723.20 : x
  2. Step 2: Convert to fraction form
    1,123,359.20/1,685,038.80 = 624,723.20/x
  3. Step 3: Cross multiply
    1,123,359.20x = 1,685,038.80 × 624,723.20
  4. Step 4: Simplify right side
    1,123,359.20x = 1,052,682,831,260.16
  5. Step 5: Solve for x
    x = 1,052,682,831,260.16/1,123,359.20
  6. Step 6: Final answer
    x = 937,084.80

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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.