Home / 1,786,918.29-2,680,405.20-572,723.25

Finding the Fourth Proportional to 1,786,918.29, 2,680,405.20 and 572,723.25

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Solution

The fourth proportional to 1,786,918.29, 2,680,405.20 and 572,723.25 is: 859,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,918.29 : 2,680,405.20 = 572,723.25 : x
  2. Step 2: Convert to fraction form
    1,786,918.29/2,680,405.20 = 572,723.25/x
  3. Step 3: Cross multiply
    1,786,918.29x = 2,680,405.20 × 572,723.25
  4. Step 4: Simplify right side
    1,786,918.29x = 1,535,130,377,460.90
  5. Step 5: Solve for x
    x = 1,535,130,377,460.90/1,786,918.29
  6. Step 6: Final answer
    x = 859,093.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.