Home / 1,403,386.32-1,936,672.02-758,806.14

Finding the Fourth Proportional to 1,403,386.32, 1,936,672.02 and 758,806.14

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Solution

The fourth proportional to 1,403,386.32, 1,936,672.02 and 758,806.14 is: 1,047,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,386.32 : 1,936,672.02 = 758,806.14 : x
  2. Step 2: Convert to fraction form
    1,403,386.32/1,936,672.02 = 758,806.14/x
  3. Step 3: Cross multiply
    1,403,386.32x = 1,936,672.02 × 758,806.14
  4. Step 4: Simplify right side
    1,403,386.32x = 1,469,558,619,942.20
  5. Step 5: Solve for x
    x = 1,469,558,619,942.20/1,403,386.32
  6. Step 6: Final answer
    x = 1,047,151.88

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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.