Home / 1,588,986.80-2,383,480.20-917,140.40

Finding the Fourth Proportional to 1,588,986.80, 2,383,480.20 and 917,140.40

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Solution

The fourth proportional to 1,588,986.80, 2,383,480.20 and 917,140.40 is: 1,375,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,986.80 : 2,383,480.20 = 917,140.40 : x
  2. Step 2: Convert to fraction form
    1,588,986.80/2,383,480.20 = 917,140.40/x
  3. Step 3: Cross multiply
    1,588,986.80x = 2,383,480.20 × 917,140.40
  4. Step 4: Simplify right side
    1,588,986.80x = 2,185,985,984,020.08
  5. Step 5: Solve for x
    x = 2,185,985,984,020.08/1,588,986.80
  6. Step 6: Final answer
    x = 1,375,710.60

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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.