Home / 1,323,073.64-1,982,106.22-781,710.92

Finding the Fourth Proportional to 1,323,073.64, 1,982,106.22 and 781,710.92

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Solution

The fourth proportional to 1,323,073.64, 1,982,106.22 and 781,710.92 is: 1,171,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,073.64 : 1,982,106.22 = 781,710.92 : x
  2. Step 2: Convert to fraction form
    1,323,073.64/1,982,106.22 = 781,710.92/x
  3. Step 3: Cross multiply
    1,323,073.64x = 1,982,106.22 × 781,710.92
  4. Step 4: Simplify right side
    1,323,073.64x = 1,549,434,076,773.92
  5. Step 5: Solve for x
    x = 1,549,434,076,773.92/1,323,073.64
  6. Step 6: Final answer
    x = 1,171,086.80

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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.