Home / 1,355,674.27-1,870,767.33-743,813.23

Finding the Fourth Proportional to 1,355,674.27, 1,870,767.33 and 743,813.23

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Solution

The fourth proportional to 1,355,674.27, 1,870,767.33 and 743,813.23 is: 1,026,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,674.27 : 1,870,767.33 = 743,813.23 : x
  2. Step 2: Convert to fraction form
    1,355,674.27/1,870,767.33 = 743,813.23/x
  3. Step 3: Cross multiply
    1,355,674.27x = 1,870,767.33 × 743,813.23
  4. Step 4: Simplify right side
    1,355,674.27x = 1,391,501,490,305.78
  5. Step 5: Solve for x
    x = 1,391,501,490,305.78/1,355,674.27
  6. Step 6: Final answer
    x = 1,026,427.60

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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.