Home / 856,802.80-1,285,204.20-824,143.60

Finding the Fourth Proportional to 856,802.80, 1,285,204.20 and 824,143.60

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Solution

The fourth proportional to 856,802.80, 1,285,204.20 and 824,143.60 is: 1,236,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,802.80 : 1,285,204.20 = 824,143.60 : x
  2. Step 2: Convert to fraction form
    856,802.80/1,285,204.20 = 824,143.60/x
  3. Step 3: Cross multiply
    856,802.80x = 1,285,204.20 × 824,143.60
  4. Step 4: Simplify right side
    856,802.80x = 1,059,192,816,123.12
  5. Step 5: Solve for x
    x = 1,059,192,816,123.12/856,802.80
  6. Step 6: Final answer
    x = 1,236,215.40

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1.5x scale

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.