Home / 1,151,289.72-1,725,889.14-402,927.48

Finding the Fourth Proportional to 1,151,289.72, 1,725,889.14 and 402,927.48

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Solution

The fourth proportional to 1,151,289.72, 1,725,889.14 and 402,927.48 is: 604,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,289.72 : 1,725,889.14 = 402,927.48 : x
  2. Step 2: Convert to fraction form
    1,151,289.72/1,725,889.14 = 402,927.48/x
  3. Step 3: Cross multiply
    1,151,289.72x = 1,725,889.14 × 402,927.48
  4. Step 4: Simplify right side
    1,151,289.72x = 695,408,161,939.57
  5. Step 5: Solve for x
    x = 695,408,161,939.57/1,151,289.72
  6. Step 6: Final answer
    x = 604,025.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.