Home / 1,092,860.29-1,509,323.45-831,953.89

Finding the Fourth Proportional to 1,092,860.29, 1,509,323.45 and 831,953.89

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Solution

The fourth proportional to 1,092,860.29, 1,509,323.45 and 831,953.89 is: 1,148,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,860.29 : 1,509,323.45 = 831,953.89 : x
  2. Step 2: Convert to fraction form
    1,092,860.29/1,509,323.45 = 831,953.89/x
  3. Step 3: Cross multiply
    1,092,860.29x = 1,509,323.45 × 831,953.89
  4. Step 4: Simplify right side
    1,092,860.29x = 1,255,687,515,495.72
  5. Step 5: Solve for x
    x = 1,255,687,515,495.72/1,092,860.29
  6. Step 6: Final answer
    x = 1,148,991.80

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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.