Home / 1,048,371.62-1,572,382.22-290,289.68

Finding the Fourth Proportional to 1,048,371.62, 1,572,382.22 and 290,289.68

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Solution

The fourth proportional to 1,048,371.62, 1,572,382.22 and 290,289.68 is: 435,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,371.62 : 1,572,382.22 = 290,289.68 : x
  2. Step 2: Convert to fraction form
    1,048,371.62/1,572,382.22 = 290,289.68/x
  3. Step 3: Cross multiply
    1,048,371.62x = 1,572,382.22 × 290,289.68
  4. Step 4: Simplify right side
    1,048,371.62x = 456,446,331,481.49
  5. Step 5: Solve for x
    x = 456,446,331,481.49/1,048,371.62
  6. Step 6: Final answer
    x = 435,386.01

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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.