Home / 1,257,374.34-1,735,128.27-713,477.63

Finding the Fourth Proportional to 1,257,374.34, 1,735,128.27 and 713,477.63

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Solution

The fourth proportional to 1,257,374.34, 1,735,128.27 and 713,477.63 is: 984,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,374.34 : 1,735,128.27 = 713,477.63 : x
  2. Step 2: Convert to fraction form
    1,257,374.34/1,735,128.27 = 713,477.63/x
  3. Step 3: Cross multiply
    1,257,374.34x = 1,735,128.27 × 713,477.63
  4. Step 4: Simplify right side
    1,257,374.34x = 1,237,975,210,163.42
  5. Step 5: Solve for x
    x = 1,237,975,210,163.42/1,257,374.34
  6. Step 6: Final answer
    x = 984,571.71

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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.