Home / 1,332,496.88-1,998,455.84-421,750.16

Finding the Fourth Proportional to 1,332,496.88, 1,998,455.84 and 421,750.16

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Solution

The fourth proportional to 1,332,496.88, 1,998,455.84 and 421,750.16 is: 632,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,496.88 : 1,998,455.84 = 421,750.16 : x
  2. Step 2: Convert to fraction form
    1,332,496.88/1,998,455.84 = 421,750.16/x
  3. Step 3: Cross multiply
    1,332,496.88x = 1,998,455.84 × 421,750.16
  4. Step 4: Simplify right side
    1,332,496.88x = 842,849,070,272.93
  5. Step 5: Solve for x
    x = 842,849,070,272.93/1,332,496.88
  6. Step 6: Final answer
    x = 632,533.62

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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.