Home / 1,234,281.39-1,702,622.45-717,977.21

Finding the Fourth Proportional to 1,234,281.39, 1,702,622.45 and 717,977.21

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Solution

The fourth proportional to 1,234,281.39, 1,702,622.45 and 717,977.21 is: 990,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,281.39 : 1,702,622.45 = 717,977.21 : x
  2. Step 2: Convert to fraction form
    1,234,281.39/1,702,622.45 = 717,977.21/x
  3. Step 3: Cross multiply
    1,234,281.39x = 1,702,622.45 × 717,977.21
  4. Step 4: Simplify right side
    1,234,281.39x = 1,222,444,104,231.37
  5. Step 5: Solve for x
    x = 1,222,444,104,231.37/1,234,281.39
  6. Step 6: Final answer
    x = 990,409.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.