Home / 1,222,004.52-1,686,289.98-738,283.80

Finding the Fourth Proportional to 1,222,004.52, 1,686,289.98 and 738,283.80

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Solution

The fourth proportional to 1,222,004.52, 1,686,289.98 and 738,283.80 is: 1,018,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,004.52 : 1,686,289.98 = 738,283.80 : x
  2. Step 2: Convert to fraction form
    1,222,004.52/1,686,289.98 = 738,283.80/x
  3. Step 3: Cross multiply
    1,222,004.52x = 1,686,289.98 × 738,283.80
  4. Step 4: Simplify right side
    1,222,004.52x = 1,244,960,574,336.32
  5. Step 5: Solve for x
    x = 1,244,960,574,336.32/1,222,004.52
  6. Step 6: Final answer
    x = 1,018,785.57

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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.