Home / 1,200,155.27-1,799,857.40-401,250.51

Finding the Fourth Proportional to 1,200,155.27, 1,799,857.40 and 401,250.51

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Solution

The fourth proportional to 1,200,155.27, 1,799,857.40 and 401,250.51 is: 601,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,155.27 : 1,799,857.40 = 401,250.51 : x
  2. Step 2: Convert to fraction form
    1,200,155.27/1,799,857.40 = 401,250.51/x
  3. Step 3: Cross multiply
    1,200,155.27x = 1,799,857.40 × 401,250.51
  4. Step 4: Simplify right side
    1,200,155.27x = 722,193,697,671.02
  5. Step 5: Solve for x
    x = 722,193,697,671.02/1,200,155.27
  6. Step 6: Final answer
    x = 601,750.22

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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.