Home / 1,379,825.12-2,069,746.86-481,263.50

Finding the Fourth Proportional to 1,379,825.12, 2,069,746.86 and 481,263.50

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Solution

The fourth proportional to 1,379,825.12, 2,069,746.86 and 481,263.50 is: 721,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,825.12 : 2,069,746.86 = 481,263.50 : x
  2. Step 2: Convert to fraction form
    1,379,825.12/2,069,746.86 = 481,263.50/x
  3. Step 3: Cross multiply
    1,379,825.12x = 2,069,746.86 × 481,263.50
  4. Step 4: Simplify right side
    1,379,825.12x = 996,093,617,957.61
  5. Step 5: Solve for x
    x = 996,093,617,957.61/1,379,825.12
  6. Step 6: Final answer
    x = 721,898.45

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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.