Home / 1,555,323.52-2,146,346.44-839,931.52

Finding the Fourth Proportional to 1,555,323.52, 2,146,346.44 and 839,931.52

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Solution

The fourth proportional to 1,555,323.52, 2,146,346.44 and 839,931.52 is: 1,159,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,323.52 : 2,146,346.44 = 839,931.52 : x
  2. Step 2: Convert to fraction form
    1,555,323.52/2,146,346.44 = 839,931.52/x
  3. Step 3: Cross multiply
    1,555,323.52x = 2,146,346.44 × 839,931.52
  4. Step 4: Simplify right side
    1,555,323.52x = 1,802,784,027,795.79
  5. Step 5: Solve for x
    x = 1,802,784,027,795.79/1,555,323.52
  6. Step 6: Final answer
    x = 1,159,105.49

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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.