Home / 1,283,477.88-1,771,384.80-739,509.44

Finding the Fourth Proportional to 1,283,477.88, 1,771,384.80 and 739,509.44

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Solution

The fourth proportional to 1,283,477.88, 1,771,384.80 and 739,509.44 is: 1,020,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,477.88 : 1,771,384.80 = 739,509.44 : x
  2. Step 2: Convert to fraction form
    1,283,477.88/1,771,384.80 = 739,509.44/x
  3. Step 3: Cross multiply
    1,283,477.88x = 1,771,384.80 × 739,509.44
  4. Step 4: Simplify right side
    1,283,477.88x = 1,309,955,781,472.51
  5. Step 5: Solve for x
    x = 1,309,955,781,472.51/1,283,477.88
  6. Step 6: Final answer
    x = 1,020,629.81

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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.