Home / 1,383,947.40-2,076,249.15-710,132.70

Finding the Fourth Proportional to 1,383,947.40, 2,076,249.15 and 710,132.70

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Solution

The fourth proportional to 1,383,947.40, 2,076,249.15 and 710,132.70 is: 1,065,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,947.40 : 2,076,249.15 = 710,132.70 : x
  2. Step 2: Convert to fraction form
    1,383,947.40/2,076,249.15 = 710,132.70/x
  3. Step 3: Cross multiply
    1,383,947.40x = 2,076,249.15 × 710,132.70
  4. Step 4: Simplify right side
    1,383,947.40x = 1,474,412,414,762.20
  5. Step 5: Solve for x
    x = 1,474,412,414,762.20/1,383,947.40
  6. Step 6: Final answer
    x = 1,065,367.38

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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.