Home / 1,355,083.11-1,870,001.88-743,223.38

Finding the Fourth Proportional to 1,355,083.11, 1,870,001.88 and 743,223.38

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Solution

The fourth proportional to 1,355,083.11, 1,870,001.88 and 743,223.38 is: 1,025,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,083.11 : 1,870,001.88 = 743,223.38 : x
  2. Step 2: Convert to fraction form
    1,355,083.11/1,870,001.88 = 743,223.38/x
  3. Step 3: Cross multiply
    1,355,083.11x = 1,870,001.88 × 743,223.38
  4. Step 4: Simplify right side
    1,355,083.11x = 1,389,829,108,509.94
  5. Step 5: Solve for x
    x = 1,389,829,108,509.94/1,355,083.11
  6. Step 6: Final answer
    x = 1,025,641.23

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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.