Home / 1,333,031.60-1,999,765.56-422,276.24

Finding the Fourth Proportional to 1,333,031.60, 1,999,765.56 and 422,276.24

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Solution

The fourth proportional to 1,333,031.60, 1,999,765.56 and 422,276.24 is: 633,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,031.60 : 1,999,765.56 = 422,276.24 : x
  2. Step 2: Convert to fraction form
    1,333,031.60/1,999,765.56 = 422,276.24/x
  3. Step 3: Cross multiply
    1,333,031.60x = 1,999,765.56 × 422,276.24
  4. Step 4: Simplify right side
    1,333,031.60x = 844,453,481,558.29
  5. Step 5: Solve for x
    x = 844,453,481,558.29/1,333,031.60
  6. Step 6: Final answer
    x = 633,483.47

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1.5x scale

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.