Home / 1,588,090.72-2,380,796.48-688,855.52

Finding the Fourth Proportional to 1,588,090.72, 2,380,796.48 and 688,855.52

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Solution

The fourth proportional to 1,588,090.72, 2,380,796.48 and 688,855.52 is: 1,032,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,090.72 : 2,380,796.48 = 688,855.52 : x
  2. Step 2: Convert to fraction form
    1,588,090.72/2,380,796.48 = 688,855.52/x
  3. Step 3: Cross multiply
    1,588,090.72x = 2,380,796.48 × 688,855.52
  4. Step 4: Simplify right side
    1,588,090.72x = 1,640,024,797,244.57
  5. Step 5: Solve for x
    x = 1,640,024,797,244.57/1,588,090.72
  6. Step 6: Final answer
    x = 1,032,702.21

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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.