Home / 1,465,490.40-2,198,235.60-624,127.20

Finding the Fourth Proportional to 1,465,490.40, 2,198,235.60 and 624,127.20

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Solution

The fourth proportional to 1,465,490.40, 2,198,235.60 and 624,127.20 is: 936,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,490.40 : 2,198,235.60 = 624,127.20 : x
  2. Step 2: Convert to fraction form
    1,465,490.40/2,198,235.60 = 624,127.20/x
  3. Step 3: Cross multiply
    1,465,490.40x = 2,198,235.60 × 624,127.20
  4. Step 4: Simplify right side
    1,465,490.40x = 1,371,978,629,968.32
  5. Step 5: Solve for x
    x = 1,371,978,629,968.32/1,465,490.40
  6. Step 6: Final answer
    x = 936,190.80

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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.