Home / 1,087,027.68-1,500,236.60-657,310.89

Finding the Fourth Proportional to 1,087,027.68, 1,500,236.60 and 657,310.89

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Solution

The fourth proportional to 1,087,027.68, 1,500,236.60 and 657,310.89 is: 907,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,027.68 : 1,500,236.60 = 657,310.89 : x
  2. Step 2: Convert to fraction form
    1,087,027.68/1,500,236.60 = 657,310.89/x
  3. Step 3: Cross multiply
    1,087,027.68x = 1,500,236.60 × 657,310.89
  4. Step 4: Simplify right side
    1,087,027.68x = 986,121,854,756.57
  5. Step 5: Solve for x
    x = 986,121,854,756.57/1,087,027.68
  6. Step 6: Final answer
    x = 907,172.72

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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.