Home / 1,259,770.40-1,889,101.52-460,844.72

Finding the Fourth Proportional to 1,259,770.40, 1,889,101.52 and 460,844.72

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Solution

The fourth proportional to 1,259,770.40, 1,889,101.52 and 460,844.72 is: 691,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,770.40 : 1,889,101.52 = 460,844.72 : x
  2. Step 2: Convert to fraction form
    1,259,770.40/1,889,101.52 = 460,844.72/x
  3. Step 3: Cross multiply
    1,259,770.40x = 1,889,101.52 × 460,844.72
  4. Step 4: Simplify right side
    1,259,770.40x = 870,582,461,035.97
  5. Step 5: Solve for x
    x = 870,582,461,035.97/1,259,770.40
  6. Step 6: Final answer
    x = 691,064.39

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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.