Home / 1,425,476.60-1,967,206.68-780,896.63

Finding the Fourth Proportional to 1,425,476.60, 1,967,206.68 and 780,896.63

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Solution

The fourth proportional to 1,425,476.60, 1,967,206.68 and 780,896.63 is: 1,077,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,476.60 : 1,967,206.68 = 780,896.63 : x
  2. Step 2: Convert to fraction form
    1,425,476.60/1,967,206.68 = 780,896.63/x
  3. Step 3: Cross multiply
    1,425,476.60x = 1,967,206.68 × 780,896.63
  4. Step 4: Simplify right side
    1,425,476.60x = 1,536,185,057,089.45
  5. Step 5: Solve for x
    x = 1,536,185,057,089.45/1,425,476.60
  6. Step 6: Final answer
    x = 1,077,664.17

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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.