Home / 1,128,033.40-1,692,050.10-792,110.20

Finding the Fourth Proportional to 1,128,033.40, 1,692,050.10 and 792,110.20

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Solution

The fourth proportional to 1,128,033.40, 1,692,050.10 and 792,110.20 is: 1,188,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,033.40 : 1,692,050.10 = 792,110.20 : x
  2. Step 2: Convert to fraction form
    1,128,033.40/1,692,050.10 = 792,110.20/x
  3. Step 3: Cross multiply
    1,128,033.40x = 1,692,050.10 × 792,110.20
  4. Step 4: Simplify right side
    1,128,033.40x = 1,340,290,143,121.02
  5. Step 5: Solve for x
    x = 1,340,290,143,121.02/1,128,033.40
  6. Step 6: Final answer
    x = 1,188,165.30

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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.