Home / 1,210,227.02-1,670,174.67-686,974.47

Finding the Fourth Proportional to 1,210,227.02, 1,670,174.67 and 686,974.47

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Solution

The fourth proportional to 1,210,227.02, 1,670,174.67 and 686,974.47 is: 948,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,227.02 : 1,670,174.67 = 686,974.47 : x
  2. Step 2: Convert to fraction form
    1,210,227.02/1,670,174.67 = 686,974.47/x
  3. Step 3: Cross multiply
    1,210,227.02x = 1,670,174.67 × 686,974.47
  4. Step 4: Simplify right side
    1,210,227.02x = 1,147,367,355,043.67
  5. Step 5: Solve for x
    x = 1,147,367,355,043.67/1,210,227.02
  6. Step 6: Final answer
    x = 948,059.61

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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.