Home / 1,200,857.37-1,657,903.94-742,586.39

Finding the Fourth Proportional to 1,200,857.37, 1,657,903.94 and 742,586.39

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Solution

The fourth proportional to 1,200,857.37, 1,657,903.94 and 742,586.39 is: 1,025,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,857.37 : 1,657,903.94 = 742,586.39 : x
  2. Step 2: Convert to fraction form
    1,200,857.37/1,657,903.94 = 742,586.39/x
  3. Step 3: Cross multiply
    1,200,857.37x = 1,657,903.94 × 742,586.39
  4. Step 4: Simplify right side
    1,200,857.37x = 1,231,136,895,338.32
  5. Step 5: Solve for x
    x = 1,231,136,895,338.32/1,200,857.37
  6. Step 6: Final answer
    x = 1,025,214.92

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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.