Home / 1,081,406.70-1,622,110.05-904,259.70

Finding the Fourth Proportional to 1,081,406.70, 1,622,110.05 and 904,259.70

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Solution

The fourth proportional to 1,081,406.70, 1,622,110.05 and 904,259.70 is: 1,356,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,406.70 : 1,622,110.05 = 904,259.70 : x
  2. Step 2: Convert to fraction form
    1,081,406.70/1,622,110.05 = 904,259.70/x
  3. Step 3: Cross multiply
    1,081,406.70x = 1,622,110.05 × 904,259.70
  4. Step 4: Simplify right side
    1,081,406.70x = 1,466,808,747,179.99
  5. Step 5: Solve for x
    x = 1,466,808,747,179.99/1,081,406.70
  6. Step 6: Final answer
    x = 1,356,389.55

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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.