Home / 1,237,022.40-1,855,274.40-606,388.80

Finding the Fourth Proportional to 1,237,022.40, 1,855,274.40 and 606,388.80

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Solution

The fourth proportional to 1,237,022.40, 1,855,274.40 and 606,388.80 is: 909,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,022.40 : 1,855,274.40 = 606,388.80 : x
  2. Step 2: Convert to fraction form
    1,237,022.40/1,855,274.40 = 606,388.80/x
  3. Step 3: Cross multiply
    1,237,022.40x = 1,855,274.40 × 606,388.80
  4. Step 4: Simplify right side
    1,237,022.40x = 1,125,017,617,086.72
  5. Step 5: Solve for x
    x = 1,125,017,617,086.72/1,237,022.40
  6. Step 6: Final answer
    x = 909,456.14

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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.