Home / 1,590,811.40-2,384,373.90-643,713.80

Finding the Fourth Proportional to 1,590,811.40, 2,384,373.90 and 643,713.80

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Solution

The fourth proportional to 1,590,811.40, 2,384,373.90 and 643,713.80 is: 964,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,811.40 : 2,384,373.90 = 643,713.80 : x
  2. Step 2: Convert to fraction form
    1,590,811.40/2,384,373.90 = 643,713.80/x
  3. Step 3: Cross multiply
    1,590,811.40x = 2,384,373.90 × 643,713.80
  4. Step 4: Simplify right side
    1,590,811.40x = 1,534,854,383,789.82
  5. Step 5: Solve for x
    x = 1,534,854,383,789.82/1,590,811.40
  6. Step 6: Final answer
    x = 964,824.86

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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.