Home / 1,435,542.30-2,153,646.60-488,921.22

Finding the Fourth Proportional to 1,435,542.30, 2,153,646.60 and 488,921.22

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Solution

The fourth proportional to 1,435,542.30, 2,153,646.60 and 488,921.22 is: 733,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,542.30 : 2,153,646.60 = 488,921.22 : x
  2. Step 2: Convert to fraction form
    1,435,542.30/2,153,646.60 = 488,921.22/x
  3. Step 3: Cross multiply
    1,435,542.30x = 2,153,646.60 × 488,921.22
  4. Step 4: Simplify right side
    1,435,542.30x = 1,052,963,523,120.85
  5. Step 5: Solve for x
    x = 1,052,963,523,120.85/1,435,542.30
  6. Step 6: Final answer
    x = 733,495.30

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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.