Home / 1,388,777.70-2,083,166.55-442,244.10

Finding the Fourth Proportional to 1,388,777.70, 2,083,166.55 and 442,244.10

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Solution

The fourth proportional to 1,388,777.70, 2,083,166.55 and 442,244.10 is: 663,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,777.70 : 2,083,166.55 = 442,244.10 : x
  2. Step 2: Convert to fraction form
    1,388,777.70/2,083,166.55 = 442,244.10/x
  3. Step 3: Cross multiply
    1,388,777.70x = 2,083,166.55 × 442,244.10
  4. Step 4: Simplify right side
    1,388,777.70x = 921,268,116,054.86
  5. Step 5: Solve for x
    x = 921,268,116,054.86/1,388,777.70
  6. Step 6: Final answer
    x = 663,366.15

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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.