Home / 820,071.20-1,230,106.80-596,122.40

Finding the Fourth Proportional to 820,071.20, 1,230,106.80 and 596,122.40

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Solution

The fourth proportional to 820,071.20, 1,230,106.80 and 596,122.40 is: 894,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,071.20 : 1,230,106.80 = 596,122.40 : x
  2. Step 2: Convert to fraction form
    820,071.20/1,230,106.80 = 596,122.40/x
  3. Step 3: Cross multiply
    820,071.20x = 1,230,106.80 × 596,122.40
  4. Step 4: Simplify right side
    820,071.20x = 733,294,217,872.32
  5. Step 5: Solve for x
    x = 733,294,217,872.32/820,071.20
  6. Step 6: Final answer
    x = 894,183.60

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1.5x scale

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.