Home / 1,591,330.20-2,386,995.30-644,731.80

Finding the Fourth Proportional to 1,591,330.20, 2,386,995.30 and 644,731.80

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Solution

The fourth proportional to 1,591,330.20, 2,386,995.30 and 644,731.80 is: 967,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,330.20 : 2,386,995.30 = 644,731.80 : x
  2. Step 2: Convert to fraction form
    1,591,330.20/2,386,995.30 = 644,731.80/x
  3. Step 3: Cross multiply
    1,591,330.20x = 2,386,995.30 × 644,731.80
  4. Step 4: Simplify right side
    1,591,330.20x = 1,538,971,776,360.54
  5. Step 5: Solve for x
    x = 1,538,971,776,360.54/1,591,330.20
  6. Step 6: Final answer
    x = 967,097.70

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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.