Home / 1,094,296.80-1,638,237.60-779,368.80

Finding the Fourth Proportional to 1,094,296.80, 1,638,237.60 and 779,368.80

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Solution

The fourth proportional to 1,094,296.80, 1,638,237.60 and 779,368.80 is: 1,166,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,296.80 : 1,638,237.60 = 779,368.80 : x
  2. Step 2: Convert to fraction form
    1,094,296.80/1,638,237.60 = 779,368.80/x
  3. Step 3: Cross multiply
    1,094,296.80x = 1,638,237.60 × 779,368.80
  4. Step 4: Simplify right side
    1,094,296.80x = 1,276,791,272,426.88
  5. Step 5: Solve for x
    x = 1,276,791,272,426.88/1,094,296.80
  6. Step 6: Final answer
    x = 1,166,768.72

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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.