Home / 1,287,605.58-1,776,484.35-743,669.52

Finding the Fourth Proportional to 1,287,605.58, 1,776,484.35 and 743,669.52

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Solution

The fourth proportional to 1,287,605.58, 1,776,484.35 and 743,669.52 is: 1,026,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,605.58 : 1,776,484.35 = 743,669.52 : x
  2. Step 2: Convert to fraction form
    1,287,605.58/1,776,484.35 = 743,669.52/x
  3. Step 3: Cross multiply
    1,287,605.58x = 1,776,484.35 × 743,669.52
  4. Step 4: Simplify right side
    1,287,605.58x = 1,321,117,263,852.01
  5. Step 5: Solve for x
    x = 1,321,117,263,852.01/1,287,605.58
  6. Step 6: Final answer
    x = 1,026,026.36

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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.