Home / 1,190,566.59-1,643,012.47-646,733.50

Finding the Fourth Proportional to 1,190,566.59, 1,643,012.47 and 646,733.50

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Solution

The fourth proportional to 1,190,566.59, 1,643,012.47 and 646,733.50 is: 892,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,566.59 : 1,643,012.47 = 646,733.50 : x
  2. Step 2: Convert to fraction form
    1,190,566.59/1,643,012.47 = 646,733.50/x
  3. Step 3: Cross multiply
    1,190,566.59x = 1,643,012.47 × 646,733.50
  4. Step 4: Simplify right side
    1,190,566.59x = 1,062,591,205,266.75
  5. Step 5: Solve for x
    x = 1,062,591,205,266.75/1,190,566.59
  6. Step 6: Final answer
    x = 892,508.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.