Home / 1,153,958.78-1,729,390.89-898,100.28

Finding the Fourth Proportional to 1,153,958.78, 1,729,390.89 and 898,100.28

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Solution

The fourth proportional to 1,153,958.78, 1,729,390.89 and 898,100.28 is: 1,345,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,958.78 : 1,729,390.89 = 898,100.28 : x
  2. Step 2: Convert to fraction form
    1,153,958.78/1,729,390.89 = 898,100.28/x
  3. Step 3: Cross multiply
    1,153,958.78x = 1,729,390.89 × 898,100.28
  4. Step 4: Simplify right side
    1,153,958.78x = 1,553,166,429,400.99
  5. Step 5: Solve for x
    x = 1,553,166,429,400.99/1,153,958.78
  6. Step 6: Final answer
    x = 1,345,946.20

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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.