Home / 1,500,191-2,070,283.02-821,112.92

Finding the Fourth Proportional to 1,500,191, 2,070,283.02 and 821,112.92

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Solution

The fourth proportional to 1,500,191, 2,070,283.02 and 821,112.92 is: 1,133,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,191 : 2,070,283.02 = 821,112.92 : x
  2. Step 2: Convert to fraction form
    1,500,191/2,070,283.02 = 821,112.92/x
  3. Step 3: Cross multiply
    1,500,191x = 2,070,283.02 × 821,112.92
  4. Step 4: Simplify right side
    1,500,191x = 1,699,936,135,778.62
  5. Step 5: Solve for x
    x = 1,699,936,135,778.62/1,500,191
  6. Step 6: Final answer
    x = 1,133,146.47

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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.