Home / 1,069,515.30-1,603,192.77-670,435.80

Finding the Fourth Proportional to 1,069,515.30, 1,603,192.77 and 670,435.80

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Solution

The fourth proportional to 1,069,515.30, 1,603,192.77 and 670,435.80 is: 1,004,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,515.30 : 1,603,192.77 = 670,435.80 : x
  2. Step 2: Convert to fraction form
    1,069,515.30/1,603,192.77 = 670,435.80/x
  3. Step 3: Cross multiply
    1,069,515.30x = 1,603,192.77 × 670,435.80
  4. Step 4: Simplify right side
    1,069,515.30x = 1,074,837,827,309.17
  5. Step 5: Solve for x
    x = 1,074,837,827,309.17/1,069,515.30
  6. Step 6: Final answer
    x = 1,004,976.58

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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.