Home / 1,971,326.20-2,956,989.30-708,989.80

Finding the Fourth Proportional to 1,971,326.20, 2,956,989.30 and 708,989.80

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Solution

The fourth proportional to 1,971,326.20, 2,956,989.30 and 708,989.80 is: 1,063,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,326.20 : 2,956,989.30 = 708,989.80 : x
  2. Step 2: Convert to fraction form
    1,971,326.20/2,956,989.30 = 708,989.80/x
  3. Step 3: Cross multiply
    1,971,326.20x = 2,956,989.30 × 708,989.80
  4. Step 4: Simplify right side
    1,971,326.20x = 2,096,475,252,409.14
  5. Step 5: Solve for x
    x = 2,096,475,252,409.14/1,971,326.20
  6. Step 6: Final answer
    x = 1,063,484.70

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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.