Home / 1,425,606.50-1,967,340.58-781,039.46

Finding the Fourth Proportional to 1,425,606.50, 1,967,340.58 and 781,039.46

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Solution

The fourth proportional to 1,425,606.50, 1,967,340.58 and 781,039.46 is: 1,077,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,606.50 : 1,967,340.58 = 781,039.46 : x
  2. Step 2: Convert to fraction form
    1,425,606.50/1,967,340.58 = 781,039.46/x
  3. Step 3: Cross multiply
    1,425,606.50x = 1,967,340.58 × 781,039.46
  4. Step 4: Simplify right side
    1,425,606.50x = 1,536,570,624,239.29
  5. Step 5: Solve for x
    x = 1,536,570,624,239.29/1,425,606.50
  6. Step 6: Final answer
    x = 1,077,836.43

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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.