Home / 1,340,905-2,012,621.52-488,800.18

Finding the Fourth Proportional to 1,340,905, 2,012,621.52 and 488,800.18

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Solution

The fourth proportional to 1,340,905, 2,012,621.52 and 488,800.18 is: 733,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,905 : 2,012,621.52 = 488,800.18 : x
  2. Step 2: Convert to fraction form
    1,340,905/2,012,621.52 = 488,800.18/x
  3. Step 3: Cross multiply
    1,340,905x = 2,012,621.52 × 488,800.18
  4. Step 4: Simplify right side
    1,340,905x = 983,769,761,247.87
  5. Step 5: Solve for x
    x = 983,769,761,247.87/1,340,905
  6. Step 6: Final answer
    x = 733,661.04

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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.