Home / 1,425,880.43-1,967,760.73-781,341.56

Finding the Fourth Proportional to 1,425,880.43, 1,967,760.73 and 781,341.56

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Solution

The fourth proportional to 1,425,880.43, 1,967,760.73 and 781,341.56 is: 1,078,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,880.43 : 1,967,760.73 = 781,341.56 : x
  2. Step 2: Convert to fraction form
    1,425,880.43/1,967,760.73 = 781,341.56/x
  3. Step 3: Cross multiply
    1,425,880.43x = 1,967,760.73 × 781,341.56
  4. Step 4: Simplify right side
    1,425,880.43x = 1,537,493,224,739.43
  5. Step 5: Solve for x
    x = 1,537,493,224,739.43/1,425,880.43
  6. Step 6: Final answer
    x = 1,078,276.41

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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.