Home / 997,410.45-1,498,330.01-618,611.12

Finding the Fourth Proportional to 997,410.45, 1,498,330.01 and 618,611.12

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Solution

The fourth proportional to 997,410.45, 1,498,330.01 and 618,611.12 is: 929,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,410.45 : 1,498,330.01 = 618,611.12 : x
  2. Step 2: Convert to fraction form
    997,410.45/1,498,330.01 = 618,611.12/x
  3. Step 3: Cross multiply
    997,410.45x = 1,498,330.01 × 618,611.12
  4. Step 4: Simplify right side
    997,410.45x = 926,883,599,670.59
  5. Step 5: Solve for x
    x = 926,883,599,670.59/997,410.45
  6. Step 6: Final answer
    x = 929,290.04

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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.