Home / 1,526,918.66-2,290,376.68-389,680.77

Finding the Fourth Proportional to 1,526,918.66, 2,290,376.68 and 389,680.77

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Solution

The fourth proportional to 1,526,918.66, 2,290,376.68 and 389,680.77 is: 584,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,918.66 : 2,290,376.68 = 389,680.77 : x
  2. Step 2: Convert to fraction form
    1,526,918.66/2,290,376.68 = 389,680.77/x
  3. Step 3: Cross multiply
    1,526,918.66x = 2,290,376.68 × 389,680.77
  4. Step 4: Simplify right side
    1,526,918.66x = 892,515,736,800.56
  5. Step 5: Solve for x
    x = 892,515,736,800.56/1,526,918.66
  6. Step 6: Final answer
    x = 584,520.82

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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.