Home / 1,501,706.70-2,072,406.96-822,643.20

Finding the Fourth Proportional to 1,501,706.70, 2,072,406.96 and 822,643.20

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Solution

The fourth proportional to 1,501,706.70, 2,072,406.96 and 822,643.20 is: 1,135,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,706.70 : 2,072,406.96 = 822,643.20 : x
  2. Step 2: Convert to fraction form
    1,501,706.70/2,072,406.96 = 822,643.20/x
  3. Step 3: Cross multiply
    1,501,706.70x = 2,072,406.96 × 822,643.20
  4. Step 4: Simplify right side
    1,501,706.70x = 1,704,851,493,276.67
  5. Step 5: Solve for x
    x = 1,704,851,493,276.67/1,501,706.70
  6. Step 6: Final answer
    x = 1,135,275.95

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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.