Home / 1,210,500.55-1,670,426.80-694,227.77

Finding the Fourth Proportional to 1,210,500.55, 1,670,426.80 and 694,227.77

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Solution

The fourth proportional to 1,210,500.55, 1,670,426.80 and 694,227.77 is: 957,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,500.55 : 1,670,426.80 = 694,227.77 : x
  2. Step 2: Convert to fraction form
    1,210,500.55/1,670,426.80 = 694,227.77/x
  3. Step 3: Cross multiply
    1,210,500.55x = 1,670,426.80 × 694,227.77
  4. Step 4: Simplify right side
    1,210,500.55x = 1,159,656,662,224.53
  5. Step 5: Solve for x
    x = 1,159,656,662,224.53/1,210,500.55
  6. Step 6: Final answer
    x = 957,997.64

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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.