Home / 1,429,329.28-1,972,478.31-784,791.22

Finding the Fourth Proportional to 1,429,329.28, 1,972,478.31 and 784,791.22

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Solution

The fourth proportional to 1,429,329.28, 1,972,478.31 and 784,791.22 is: 1,083,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,329.28 : 1,972,478.31 = 784,791.22 : x
  2. Step 2: Convert to fraction form
    1,429,329.28/1,972,478.31 = 784,791.22/x
  3. Step 3: Cross multiply
    1,429,329.28x = 1,972,478.31 × 784,791.22
  4. Step 4: Simplify right side
    1,429,329.28x = 1,547,983,659,328.44
  5. Step 5: Solve for x
    x = 1,547,983,659,328.44/1,429,329.28
  6. Step 6: Final answer
    x = 1,083,014.03

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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.