Home / 1,845,739.20-2,769,127.20-899,140.80

Finding the Fourth Proportional to 1,845,739.20, 2,769,127.20 and 899,140.80

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Solution

The fourth proportional to 1,845,739.20, 2,769,127.20 and 899,140.80 is: 1,348,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,739.20 : 2,769,127.20 = 899,140.80 : x
  2. Step 2: Convert to fraction form
    1,845,739.20/2,769,127.20 = 899,140.80/x
  3. Step 3: Cross multiply
    1,845,739.20x = 2,769,127.20 × 899,140.80
  4. Step 4: Simplify right side
    1,845,739.20x = 2,489,835,245,909.76
  5. Step 5: Solve for x
    x = 2,489,835,245,909.76/1,845,739.20
  6. Step 6: Final answer
    x = 1,348,963.74

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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.