Home / 1,001,160.88-1,381,220.64-740,142.93

Finding the Fourth Proportional to 1,001,160.88, 1,381,220.64 and 740,142.93

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Solution

The fourth proportional to 1,001,160.88, 1,381,220.64 and 740,142.93 is: 1,021,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,160.88 : 1,381,220.64 = 740,142.93 : x
  2. Step 2: Convert to fraction form
    1,001,160.88/1,381,220.64 = 740,142.93/x
  3. Step 3: Cross multiply
    1,001,160.88x = 1,381,220.64 × 740,142.93
  4. Step 4: Simplify right side
    1,001,160.88x = 1,022,300,696,645.65
  5. Step 5: Solve for x
    x = 1,022,300,696,645.65/1,001,160.88
  6. Step 6: Final answer
    x = 1,021,115.31

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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.