Home / 1,304,918.07-1,800,783.25-724,228.87

Finding the Fourth Proportional to 1,304,918.07, 1,800,783.25 and 724,228.87

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Solution

The fourth proportional to 1,304,918.07, 1,800,783.25 and 724,228.87 is: 999,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,918.07 : 1,800,783.25 = 724,228.87 : x
  2. Step 2: Convert to fraction form
    1,304,918.07/1,800,783.25 = 724,228.87/x
  3. Step 3: Cross multiply
    1,304,918.07x = 1,800,783.25 × 724,228.87
  4. Step 4: Simplify right side
    1,304,918.07x = 1,304,179,214,641.28
  5. Step 5: Solve for x
    x = 1,304,179,214,641.28/1,304,918.07
  6. Step 6: Final answer
    x = 999,433.80

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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.