Home / 761,620.52-1,143,853.73-670,468.24

Finding the Fourth Proportional to 761,620.52, 1,143,853.73 and 670,468.24

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Solution

The fourth proportional to 761,620.52, 1,143,853.73 and 670,468.24 is: 1,006,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,620.52 : 1,143,853.73 = 670,468.24 : x
  2. Step 2: Convert to fraction form
    761,620.52/1,143,853.73 = 670,468.24/x
  3. Step 3: Cross multiply
    761,620.52x = 1,143,853.73 × 670,468.24
  4. Step 4: Simplify right side
    761,620.52x = 766,917,597,170.54
  5. Step 5: Solve for x
    x = 766,917,597,170.54/761,620.52
  6. Step 6: Final answer
    x = 1,006,955.01

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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.