Home / 1,110,287.52-1,665,661.68-445,491.36

Finding the Fourth Proportional to 1,110,287.52, 1,665,661.68 and 445,491.36

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Solution

The fourth proportional to 1,110,287.52, 1,665,661.68 and 445,491.36 is: 668,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,287.52 : 1,665,661.68 = 445,491.36 : x
  2. Step 2: Convert to fraction form
    1,110,287.52/1,665,661.68 = 445,491.36/x
  3. Step 3: Cross multiply
    1,110,287.52x = 1,665,661.68 × 445,491.36
  4. Step 4: Simplify right side
    1,110,287.52x = 742,037,887,123.09
  5. Step 5: Solve for x
    x = 742,037,887,123.09/1,110,287.52
  6. Step 6: Final answer
    x = 668,329.49

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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.