Home / 1,370,995.95-1,892,187.97-782,296.55

Finding the Fourth Proportional to 1,370,995.95, 1,892,187.97 and 782,296.55

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Solution

The fourth proportional to 1,370,995.95, 1,892,187.97 and 782,296.55 is: 1,079,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,995.95 : 1,892,187.97 = 782,296.55 : x
  2. Step 2: Convert to fraction form
    1,370,995.95/1,892,187.97 = 782,296.55/x
  3. Step 3: Cross multiply
    1,370,995.95x = 1,892,187.97 × 782,296.55
  4. Step 4: Simplify right side
    1,370,995.95x = 1,480,252,116,971.02
  5. Step 5: Solve for x
    x = 1,480,252,116,971.02/1,370,995.95
  6. Step 6: Final answer
    x = 1,079,691.10

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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.