Home / 1,190,535.60-1,642,951.44-646,681.92

Finding the Fourth Proportional to 1,190,535.60, 1,642,951.44 and 646,681.92

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Solution

The fourth proportional to 1,190,535.60, 1,642,951.44 and 646,681.92 is: 892,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,535.60 : 1,642,951.44 = 646,681.92 : x
  2. Step 2: Convert to fraction form
    1,190,535.60/1,642,951.44 = 646,681.92/x
  3. Step 3: Cross multiply
    1,190,535.60x = 1,642,951.44 × 646,681.92
  4. Step 4: Simplify right side
    1,190,535.60x = 1,062,466,991,685.96
  5. Step 5: Solve for x
    x = 1,062,466,991,685.96/1,190,535.60
  6. Step 6: Final answer
    x = 892,427.74

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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.