Home / 1,845,503.20-2,768,643.60-779,996.80

Finding the Fourth Proportional to 1,845,503.20, 2,768,643.60 and 779,996.80

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Solution

The fourth proportional to 1,845,503.20, 2,768,643.60 and 779,996.80 is: 1,170,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,503.20 : 2,768,643.60 = 779,996.80 : x
  2. Step 2: Convert to fraction form
    1,845,503.20/2,768,643.60 = 779,996.80/x
  3. Step 3: Cross multiply
    1,845,503.20x = 2,768,643.60 × 779,996.80
  4. Step 4: Simplify right side
    1,845,503.20x = 2,159,533,148,340.48
  5. Step 5: Solve for x
    x = 2,159,533,148,340.48/1,845,503.20
  6. Step 6: Final answer
    x = 1,170,159.53

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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.