Home / 1,219,725-1,683,220.50-742,797

Finding the Fourth Proportional to 1,219,725, 1,683,220.50 and 742,797

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Solution

The fourth proportional to 1,219,725, 1,683,220.50 and 742,797 is: 1,025,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,725 : 1,683,220.50 = 742,797 : x
  2. Step 2: Convert to fraction form
    1,219,725/1,683,220.50 = 742,797/x
  3. Step 3: Cross multiply
    1,219,725x = 1,683,220.50 × 742,797
  4. Step 4: Simplify right side
    1,219,725x = 1,250,291,137,738.50
  5. Step 5: Solve for x
    x = 1,250,291,137,738.50/1,219,725
  6. Step 6: Final answer
    x = 1,025,059.86

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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.