Home / 1,519,873.72-2,280,438.60-666,503.80

Finding the Fourth Proportional to 1,519,873.72, 2,280,438.60 and 666,503.80

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Solution

The fourth proportional to 1,519,873.72, 2,280,438.60 and 666,503.80 is: 1,000,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,873.72 : 2,280,438.60 = 666,503.80 : x
  2. Step 2: Convert to fraction form
    1,519,873.72/2,280,438.60 = 666,503.80/x
  3. Step 3: Cross multiply
    1,519,873.72x = 2,280,438.60 × 666,503.80
  4. Step 4: Simplify right side
    1,519,873.72x = 1,519,920,992,566.68
  5. Step 5: Solve for x
    x = 1,519,920,992,566.68/1,519,873.72
  6. Step 6: Final answer
    x = 1,000,031.10

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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.