Home / 1,132,430.61-1,698,645.91-412,826.28

Finding the Fourth Proportional to 1,132,430.61, 1,698,645.91 and 412,826.28

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Solution

The fourth proportional to 1,132,430.61, 1,698,645.91 and 412,826.28 is: 619,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,430.61 : 1,698,645.91 = 412,826.28 : x
  2. Step 2: Convert to fraction form
    1,132,430.61/1,698,645.91 = 412,826.28/x
  3. Step 3: Cross multiply
    1,132,430.61x = 1,698,645.91 × 412,826.28
  4. Step 4: Simplify right side
    1,132,430.61x = 701,245,672,062.52
  5. Step 5: Solve for x
    x = 701,245,672,062.52/1,132,430.61
  6. Step 6: Final answer
    x = 619,239.42

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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.