Home / 968,920.80-1,453,640.40-688,984.80

Finding the Fourth Proportional to 968,920.80, 1,453,640.40 and 688,984.80

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Solution

The fourth proportional to 968,920.80, 1,453,640.40 and 688,984.80 is: 1,033,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,920.80 : 1,453,640.40 = 688,984.80 : x
  2. Step 2: Convert to fraction form
    968,920.80/1,453,640.40 = 688,984.80/x
  3. Step 3: Cross multiply
    968,920.80x = 1,453,640.40 × 688,984.80
  4. Step 4: Simplify right side
    968,920.80x = 1,001,536,140,265.92
  5. Step 5: Solve for x
    x = 1,001,536,140,265.92/968,920.80
  6. Step 6: Final answer
    x = 1,033,661.51

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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.