Home / 1,297,737.60-1,946,752.20-399,172.20

Finding the Fourth Proportional to 1,297,737.60, 1,946,752.20 and 399,172.20

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Solution

The fourth proportional to 1,297,737.60, 1,946,752.20 and 399,172.20 is: 598,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,737.60 : 1,946,752.20 = 399,172.20 : x
  2. Step 2: Convert to fraction form
    1,297,737.60/1,946,752.20 = 399,172.20/x
  3. Step 3: Cross multiply
    1,297,737.60x = 1,946,752.20 × 399,172.20
  4. Step 4: Simplify right side
    1,297,737.60x = 777,089,358,528.84
  5. Step 5: Solve for x
    x = 777,089,358,528.84/1,297,737.60
  6. Step 6: Final answer
    x = 598,803.15

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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.