Home / 1,054,446.13-1,581,342.05-380,440.07

Finding the Fourth Proportional to 1,054,446.13, 1,581,342.05 and 380,440.07

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Solution

The fourth proportional to 1,054,446.13, 1,581,342.05 and 380,440.07 is: 570,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,446.13 : 1,581,342.05 = 380,440.07 : x
  2. Step 2: Convert to fraction form
    1,054,446.13/1,581,342.05 = 380,440.07/x
  3. Step 3: Cross multiply
    1,054,446.13x = 1,581,342.05 × 380,440.07
  4. Step 4: Simplify right side
    1,054,446.13x = 601,605,873,240.33
  5. Step 5: Solve for x
    x = 601,605,873,240.33/1,054,446.13
  6. Step 6: Final answer
    x = 570,542.07

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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.