Home / 1,586,690.76-2,380,119.27-1,208,205.12

Finding the Fourth Proportional to 1,586,690.76, 2,380,119.27 and 1,208,205.12

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Solution

The fourth proportional to 1,586,690.76, 2,380,119.27 and 1,208,205.12 is: 1,812,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,690.76 : 2,380,119.27 = 1,208,205.12 : x
  2. Step 2: Convert to fraction form
    1,586,690.76/2,380,119.27 = 1,208,205.12/x
  3. Step 3: Cross multiply
    1,586,690.76x = 2,380,119.27 × 1,208,205.12
  4. Step 4: Simplify right side
    1,586,690.76x = 2,875,672,288,224.66
  5. Step 5: Solve for x
    x = 2,875,672,288,224.66/1,586,690.76
  6. Step 6: Final answer
    x = 1,812,370.98

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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.