Home / 1,354,500.61-2,031,861.48-680,235.15

Finding the Fourth Proportional to 1,354,500.61, 2,031,861.48 and 680,235.15

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Solution

The fourth proportional to 1,354,500.61, 2,031,861.48 and 680,235.15 is: 1,020,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,500.61 : 2,031,861.48 = 680,235.15 : x
  2. Step 2: Convert to fraction form
    1,354,500.61/2,031,861.48 = 680,235.15/x
  3. Step 3: Cross multiply
    1,354,500.61x = 2,031,861.48 × 680,235.15
  4. Step 4: Simplify right side
    1,354,500.61x = 1,382,143,598,005.88
  5. Step 5: Solve for x
    x = 1,382,143,598,005.88/1,354,500.61
  6. Step 6: Final answer
    x = 1,020,408.25

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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.