Home / 1,500,189-2,070,280.26-821,110.92

Finding the Fourth Proportional to 1,500,189, 2,070,280.26 and 821,110.92

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Solution

The fourth proportional to 1,500,189, 2,070,280.26 and 821,110.92 is: 1,133,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,189 : 2,070,280.26 = 821,110.92 : x
  2. Step 2: Convert to fraction form
    1,500,189/2,070,280.26 = 821,110.92/x
  3. Step 3: Cross multiply
    1,500,189x = 2,070,280.26 × 821,110.92
  4. Step 4: Simplify right side
    1,500,189x = 1,699,929,728,946.44
  5. Step 5: Solve for x
    x = 1,699,929,728,946.44/1,500,189
  6. Step 6: Final answer
    x = 1,133,143.71

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1.5x scale

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.