Home / 1,220,825.65-1,831,619.60-735,040.30

Finding the Fourth Proportional to 1,220,825.65, 1,831,619.60 and 735,040.30

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Solution

The fourth proportional to 1,220,825.65, 1,831,619.60 and 735,040.30 is: 1,102,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,825.65 : 1,831,619.60 = 735,040.30 : x
  2. Step 2: Convert to fraction form
    1,220,825.65/1,831,619.60 = 735,040.30/x
  3. Step 3: Cross multiply
    1,220,825.65x = 1,831,619.60 × 735,040.30
  4. Step 4: Simplify right side
    1,220,825.65x = 1,346,314,214,088.50
  5. Step 5: Solve for x
    x = 1,346,314,214,088.50/1,220,825.65
  6. Step 6: Final answer
    x = 1,102,789.92

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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.