Home / 784,990.20-1,177,485.30-784,990.20

Finding the Fourth Proportional to 784,990.20, 1,177,485.30 and 784,990.20

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Solution

The fourth proportional to 784,990.20, 1,177,485.30 and 784,990.20 is: 1,177,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,990.20 : 1,177,485.30 = 784,990.20 : x
  2. Step 2: Convert to fraction form
    784,990.20/1,177,485.30 = 784,990.20/x
  3. Step 3: Cross multiply
    784,990.20x = 1,177,485.30 × 784,990.20
  4. Step 4: Simplify right side
    784,990.20x = 924,314,421,144.06
  5. Step 5: Solve for x
    x = 924,314,421,144.06/784,990.20
  6. Step 6: Final answer
    x = 1,177,485.30

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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.