Home / 1,355,774.68-1,870,967.73-743,930.92

Finding the Fourth Proportional to 1,355,774.68, 1,870,967.73 and 743,930.92

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Solution

The fourth proportional to 1,355,774.68, 1,870,967.73 and 743,930.92 is: 1,026,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,774.68 : 1,870,967.73 = 743,930.92 : x
  2. Step 2: Convert to fraction form
    1,355,774.68/1,870,967.73 = 743,930.92/x
  3. Step 3: Cross multiply
    1,355,774.68x = 1,870,967.73 × 743,930.92
  4. Step 4: Simplify right side
    1,355,774.68x = 1,391,870,744,669.21
  5. Step 5: Solve for x
    x = 1,391,870,744,669.21/1,355,774.68
  6. Step 6: Final answer
    x = 1,026,623.94

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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.