Home / 817,384.80-1,226,077.20-724,072.80

Finding the Fourth Proportional to 817,384.80, 1,226,077.20 and 724,072.80

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Solution

The fourth proportional to 817,384.80, 1,226,077.20 and 724,072.80 is: 1,086,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,384.80 : 1,226,077.20 = 724,072.80 : x
  2. Step 2: Convert to fraction form
    817,384.80/1,226,077.20 = 724,072.80/x
  3. Step 3: Cross multiply
    817,384.80x = 1,226,077.20 × 724,072.80
  4. Step 4: Simplify right side
    817,384.80x = 887,769,151,220.16
  5. Step 5: Solve for x
    x = 887,769,151,220.16/817,384.80
  6. Step 6: Final answer
    x = 1,086,109.20

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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.