Home / 885,964.20-1,328,946.30-880,715.40

Finding the Fourth Proportional to 885,964.20, 1,328,946.30 and 880,715.40

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Solution

The fourth proportional to 885,964.20, 1,328,946.30 and 880,715.40 is: 1,321,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,964.20 : 1,328,946.30 = 880,715.40 : x
  2. Step 2: Convert to fraction form
    885,964.20/1,328,946.30 = 880,715.40/x
  3. Step 3: Cross multiply
    885,964.20x = 1,328,946.30 × 880,715.40
  4. Step 4: Simplify right side
    885,964.20x = 1,170,423,472,183.02
  5. Step 5: Solve for x
    x = 1,170,423,472,183.02/885,964.20
  6. Step 6: Final answer
    x = 1,321,073.10

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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.