Home / 987,752.26-1,363,070.21-579,847.60

Finding the Fourth Proportional to 987,752.26, 1,363,070.21 and 579,847.60

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Solution

The fourth proportional to 987,752.26, 1,363,070.21 and 579,847.60 is: 800,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,752.26 : 1,363,070.21 = 579,847.60 : x
  2. Step 2: Convert to fraction form
    987,752.26/1,363,070.21 = 579,847.60/x
  3. Step 3: Cross multiply
    987,752.26x = 1,363,070.21 × 579,847.60
  4. Step 4: Simplify right side
    987,752.26x = 790,372,989,900.00
  5. Step 5: Solve for x
    x = 790,372,989,900.00/987,752.26
  6. Step 6: Final answer
    x = 800,173.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.