Home / 1,402,998.30-2,105,117.10-682,940.70

Finding the Fourth Proportional to 1,402,998.30, 2,105,117.10 and 682,940.70

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Solution

The fourth proportional to 1,402,998.30, 2,105,117.10 and 682,940.70 is: 1,024,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,998.30 : 2,105,117.10 = 682,940.70 : x
  2. Step 2: Convert to fraction form
    1,402,998.30/2,105,117.10 = 682,940.70/x
  3. Step 3: Cross multiply
    1,402,998.30x = 2,105,117.10 × 682,940.70
  4. Step 4: Simplify right side
    1,402,998.30x = 1,437,670,145,855.97
  5. Step 5: Solve for x
    x = 1,437,670,145,855.97/1,402,998.30
  6. Step 6: Final answer
    x = 1,024,712.68

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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.