Home / 1,225,619.88-1,690,664.70-735,462.60

Finding the Fourth Proportional to 1,225,619.88, 1,690,664.70 and 735,462.60

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Solution

The fourth proportional to 1,225,619.88, 1,690,664.70 and 735,462.60 is: 1,014,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,619.88 : 1,690,664.70 = 735,462.60 : x
  2. Step 2: Convert to fraction form
    1,225,619.88/1,690,664.70 = 735,462.60/x
  3. Step 3: Cross multiply
    1,225,619.88x = 1,690,664.70 × 735,462.60
  4. Step 4: Simplify right side
    1,225,619.88x = 1,243,420,655,990.22
  5. Step 5: Solve for x
    x = 1,243,420,655,990.22/1,225,619.88
  6. Step 6: Final answer
    x = 1,014,523.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.