Home / 1,201,603.52-1,801,159.29-751,290.50

Finding the Fourth Proportional to 1,201,603.52, 1,801,159.29 and 751,290.50

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Solution

The fourth proportional to 1,201,603.52, 1,801,159.29 and 751,290.50 is: 1,126,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,603.52 : 1,801,159.29 = 751,290.50 : x
  2. Step 2: Convert to fraction form
    1,201,603.52/1,801,159.29 = 751,290.50/x
  3. Step 3: Cross multiply
    1,201,603.52x = 1,801,159.29 × 751,290.50
  4. Step 4: Simplify right side
    1,201,603.52x = 1,353,193,863,563.75
  5. Step 5: Solve for x
    x = 1,353,193,863,563.75/1,201,603.52
  6. Step 6: Final answer
    x = 1,126,156.71

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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.