Home / 1,124,347.92-1,551,638.52-640,984.56

Finding the Fourth Proportional to 1,124,347.92, 1,551,638.52 and 640,984.56

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Solution

The fourth proportional to 1,124,347.92, 1,551,638.52 and 640,984.56 is: 884,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,347.92 : 1,551,638.52 = 640,984.56 : x
  2. Step 2: Convert to fraction form
    1,124,347.92/1,551,638.52 = 640,984.56/x
  3. Step 3: Cross multiply
    1,124,347.92x = 1,551,638.52 × 640,984.56
  4. Step 4: Simplify right side
    1,124,347.92x = 994,576,334,021.25
  5. Step 5: Solve for x
    x = 994,576,334,021.25/1,124,347.92
  6. Step 6: Final answer
    x = 884,580.58

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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.