Home / 920,480.28-1,270,239.21-893,317.74

Finding the Fourth Proportional to 920,480.28, 1,270,239.21 and 893,317.74

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Solution

The fourth proportional to 920,480.28, 1,270,239.21 and 893,317.74 is: 1,232,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,480.28 : 1,270,239.21 = 893,317.74 : x
  2. Step 2: Convert to fraction form
    920,480.28/1,270,239.21 = 893,317.74/x
  3. Step 3: Cross multiply
    920,480.28x = 1,270,239.21 × 893,317.74
  4. Step 4: Simplify right side
    920,480.28x = 1,134,727,220,336.59
  5. Step 5: Solve for x
    x = 1,134,727,220,336.59/920,480.28
  6. Step 6: Final answer
    x = 1,232,755.60

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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.