Home / 1,992,706.20-2,989,059.30-572,808.60

Finding the Fourth Proportional to 1,992,706.20, 2,989,059.30 and 572,808.60

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Solution

The fourth proportional to 1,992,706.20, 2,989,059.30 and 572,808.60 is: 859,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,706.20 : 2,989,059.30 = 572,808.60 : x
  2. Step 2: Convert to fraction form
    1,992,706.20/2,989,059.30 = 572,808.60/x
  3. Step 3: Cross multiply
    1,992,706.20x = 2,989,059.30 × 572,808.60
  4. Step 4: Simplify right side
    1,992,706.20x = 1,712,158,872,949.98
  5. Step 5: Solve for x
    x = 1,712,158,872,949.98/1,992,706.20
  6. Step 6: Final answer
    x = 859,212.90

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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.