Home / 1,501,690.80-2,072,359.80-822,583.20

Finding the Fourth Proportional to 1,501,690.80, 2,072,359.80 and 822,583.20

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Solution

The fourth proportional to 1,501,690.80, 2,072,359.80 and 822,583.20 is: 1,135,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,690.80 : 2,072,359.80 = 822,583.20 : x
  2. Step 2: Convert to fraction form
    1,501,690.80/2,072,359.80 = 822,583.20/x
  3. Step 3: Cross multiply
    1,501,690.80x = 2,072,359.80 × 822,583.20
  4. Step 4: Simplify right side
    1,501,690.80x = 1,704,688,355,835.36
  5. Step 5: Solve for x
    x = 1,704,688,355,835.36/1,501,690.80
  6. Step 6: Final answer
    x = 1,135,179.33

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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.