Home / 1,428,559.71-1,971,368.00-783,963.33

Finding the Fourth Proportional to 1,428,559.71, 1,971,368.00 and 783,963.33

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Solution

The fourth proportional to 1,428,559.71, 1,971,368.00 and 783,963.33 is: 1,081,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,559.71 : 1,971,368.00 = 783,963.33 : x
  2. Step 2: Convert to fraction form
    1,428,559.71/1,971,368.00 = 783,963.33/x
  3. Step 3: Cross multiply
    1,428,559.71x = 1,971,368.00 × 783,963.33
  4. Step 4: Simplify right side
    1,428,559.71x = 1,545,480,218,015.62
  5. Step 5: Solve for x
    x = 1,545,480,218,015.62/1,428,559.71
  6. Step 6: Final answer
    x = 1,081,845.03

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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.