Home / 1,385,755.08-2,078,690.87-676,379.76

Finding the Fourth Proportional to 1,385,755.08, 2,078,690.87 and 676,379.76

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Solution

The fourth proportional to 1,385,755.08, 2,078,690.87 and 676,379.76 is: 1,014,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,755.08 : 2,078,690.87 = 676,379.76 : x
  2. Step 2: Convert to fraction form
    1,385,755.08/2,078,690.87 = 676,379.76/x
  3. Step 3: Cross multiply
    1,385,755.08x = 2,078,690.87 × 676,379.76
  4. Step 4: Simplify right side
    1,385,755.08x = 1,405,984,431,764.79
  5. Step 5: Solve for x
    x = 1,405,984,431,764.79/1,385,755.08
  6. Step 6: Final answer
    x = 1,014,598.07

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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.