Home / 1,259,602.80-1,888,194.60-417,721.20

Finding the Fourth Proportional to 1,259,602.80, 1,888,194.60 and 417,721.20

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Solution

The fourth proportional to 1,259,602.80, 1,888,194.60 and 417,721.20 is: 626,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,602.80 : 1,888,194.60 = 417,721.20 : x
  2. Step 2: Convert to fraction form
    1,259,602.80/1,888,194.60 = 417,721.20/x
  3. Step 3: Cross multiply
    1,259,602.80x = 1,888,194.60 × 417,721.20
  4. Step 4: Simplify right side
    1,259,602.80x = 788,738,914,145.52
  5. Step 5: Solve for x
    x = 788,738,914,145.52/1,259,602.80
  6. Step 6: Final answer
    x = 626,180.66

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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.