Home / 1,265,990.31-1,747,001.12-692,921.79

Finding the Fourth Proportional to 1,265,990.31, 1,747,001.12 and 692,921.79

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Solution

The fourth proportional to 1,265,990.31, 1,747,001.12 and 692,921.79 is: 956,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,990.31 : 1,747,001.12 = 692,921.79 : x
  2. Step 2: Convert to fraction form
    1,265,990.31/1,747,001.12 = 692,921.79/x
  3. Step 3: Cross multiply
    1,265,990.31x = 1,747,001.12 × 692,921.79
  4. Step 4: Simplify right side
    1,265,990.31x = 1,210,535,139,737.80
  5. Step 5: Solve for x
    x = 1,210,535,139,737.80/1,265,990.31
  6. Step 6: Final answer
    x = 956,196.21

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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.