Home / 1,371,662.72-1,893,550.93-913,539.68

Finding the Fourth Proportional to 1,371,662.72, 1,893,550.93 and 913,539.68

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Solution

The fourth proportional to 1,371,662.72, 1,893,550.93 and 913,539.68 is: 1,261,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,662.72 : 1,893,550.93 = 913,539.68 : x
  2. Step 2: Convert to fraction form
    1,371,662.72/1,893,550.93 = 913,539.68/x
  3. Step 3: Cross multiply
    1,371,662.72x = 1,893,550.93 × 913,539.68
  4. Step 4: Simplify right side
    1,371,662.72x = 1,729,833,898,904.30
  5. Step 5: Solve for x
    x = 1,729,833,898,904.30/1,371,662.72
  6. Step 6: Final answer
    x = 1,261,121.91

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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.