Home / 1,006,725.07-1,389,280.80-554,016.07

Finding the Fourth Proportional to 1,006,725.07, 1,389,280.80 and 554,016.07

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Solution

The fourth proportional to 1,006,725.07, 1,389,280.80 and 554,016.07 is: 764,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,725.07 : 1,389,280.80 = 554,016.07 : x
  2. Step 2: Convert to fraction form
    1,006,725.07/1,389,280.80 = 554,016.07/x
  3. Step 3: Cross multiply
    1,006,725.07x = 1,389,280.80 × 554,016.07
  4. Step 4: Simplify right side
    1,006,725.07x = 769,683,888,942.46
  5. Step 5: Solve for x
    x = 769,683,888,942.46/1,006,725.07
  6. Step 6: Final answer
    x = 764,542.29

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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.