Home / 1,090,674.72-1,636,099.56-380,687.04

Finding the Fourth Proportional to 1,090,674.72, 1,636,099.56 and 380,687.04

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Solution

The fourth proportional to 1,090,674.72, 1,636,099.56 and 380,687.04 is: 571,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,674.72 : 1,636,099.56 = 380,687.04 : x
  2. Step 2: Convert to fraction form
    1,090,674.72/1,636,099.56 = 380,687.04/x
  3. Step 3: Cross multiply
    1,090,674.72x = 1,636,099.56 × 380,687.04
  4. Step 4: Simplify right side
    1,090,674.72x = 622,841,898,641.70
  5. Step 5: Solve for x
    x = 622,841,898,641.70/1,090,674.72
  6. Step 6: Final answer
    x = 571,061.09

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1.5x scale

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.