Home / 920,776.84-1,381,165.26-868,798.60

Finding the Fourth Proportional to 920,776.84, 1,381,165.26 and 868,798.60

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Solution

The fourth proportional to 920,776.84, 1,381,165.26 and 868,798.60 is: 1,303,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,776.84 : 1,381,165.26 = 868,798.60 : x
  2. Step 2: Convert to fraction form
    920,776.84/1,381,165.26 = 868,798.60/x
  3. Step 3: Cross multiply
    920,776.84x = 1,381,165.26 × 868,798.60
  4. Step 4: Simplify right side
    920,776.84x = 1,199,954,444,256.64
  5. Step 5: Solve for x
    x = 1,199,954,444,256.64/920,776.84
  6. Step 6: Final answer
    x = 1,303,197.90

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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.