Home / 1,727,991.20-2,590,143.60-662,621.60

Finding the Fourth Proportional to 1,727,991.20, 2,590,143.60 and 662,621.60

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Solution

The fourth proportional to 1,727,991.20, 2,590,143.60 and 662,621.60 is: 993,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,991.20 : 2,590,143.60 = 662,621.60 : x
  2. Step 2: Convert to fraction form
    1,727,991.20/2,590,143.60 = 662,621.60/x
  3. Step 3: Cross multiply
    1,727,991.20x = 2,590,143.60 × 662,621.60
  4. Step 4: Simplify right side
    1,727,991.20x = 1,716,285,096,461.76
  5. Step 5: Solve for x
    x = 1,716,285,096,461.76/1,727,991.20
  6. Step 6: Final answer
    x = 993,225.60

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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.