Home / 1,453,276.80-2,179,040.40-744,688.80

Finding the Fourth Proportional to 1,453,276.80, 2,179,040.40 and 744,688.80

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Solution

The fourth proportional to 1,453,276.80, 2,179,040.40 and 744,688.80 is: 1,116,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,276.80 : 2,179,040.40 = 744,688.80 : x
  2. Step 2: Convert to fraction form
    1,453,276.80/2,179,040.40 = 744,688.80/x
  3. Step 3: Cross multiply
    1,453,276.80x = 2,179,040.40 × 744,688.80
  4. Step 4: Simplify right side
    1,453,276.80x = 1,622,706,980,627.52
  5. Step 5: Solve for x
    x = 1,622,706,980,627.52/1,453,276.80
  6. Step 6: Final answer
    x = 1,116,584.93

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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.