Home / 1,320,154.56-1,980,658.31-610,648.02

Finding the Fourth Proportional to 1,320,154.56, 1,980,658.31 and 610,648.02

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Solution

The fourth proportional to 1,320,154.56, 1,980,658.31 and 610,648.02 is: 916,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,154.56 : 1,980,658.31 = 610,648.02 : x
  2. Step 2: Convert to fraction form
    1,320,154.56/1,980,658.31 = 610,648.02/x
  3. Step 3: Cross multiply
    1,320,154.56x = 1,980,658.31 × 610,648.02
  4. Step 4: Simplify right side
    1,320,154.56x = 1,209,485,072,244.81
  5. Step 5: Solve for x
    x = 1,209,485,072,244.81/1,320,154.56
  6. Step 6: Final answer
    x = 916,169.29

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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.