Home / 1,201,277.80-1,801,385.34-359,672.68

Finding the Fourth Proportional to 1,201,277.80, 1,801,385.34 and 359,672.68

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Solution

The fourth proportional to 1,201,277.80, 1,801,385.34 and 359,672.68 is: 539,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,277.80 : 1,801,385.34 = 359,672.68 : x
  2. Step 2: Convert to fraction form
    1,201,277.80/1,801,385.34 = 359,672.68/x
  3. Step 3: Cross multiply
    1,201,277.80x = 1,801,385.34 × 359,672.68
  4. Step 4: Simplify right side
    1,201,277.80x = 647,909,092,950.51
  5. Step 5: Solve for x
    x = 647,909,092,950.51/1,201,277.80
  6. Step 6: Final answer
    x = 539,349.93

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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.