Home / 1,225,660.88-1,690,721.40-735,503.60

Finding the Fourth Proportional to 1,225,660.88, 1,690,721.40 and 735,503.60

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Solution

The fourth proportional to 1,225,660.88, 1,690,721.40 and 735,503.60 is: 1,014,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,660.88 : 1,690,721.40 = 735,503.60 : x
  2. Step 2: Convert to fraction form
    1,225,660.88/1,690,721.40 = 735,503.60/x
  3. Step 3: Cross multiply
    1,225,660.88x = 1,690,721.40 × 735,503.60
  4. Step 4: Simplify right side
    1,225,660.88x = 1,243,531,676,297.04
  5. Step 5: Solve for x
    x = 1,243,531,676,297.04/1,225,660.88
  6. Step 6: Final answer
    x = 1,014,580.54

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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.