Home / 1,125,316.20-1,686,735.89-555,854.22

Finding the Fourth Proportional to 1,125,316.20, 1,686,735.89 and 555,854.22

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Solution

The fourth proportional to 1,125,316.20, 1,686,735.89 and 555,854.22 is: 833,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,316.20 : 1,686,735.89 = 555,854.22 : x
  2. Step 2: Convert to fraction form
    1,125,316.20/1,686,735.89 = 555,854.22/x
  3. Step 3: Cross multiply
    1,125,316.20x = 1,686,735.89 × 555,854.22
  4. Step 4: Simplify right side
    1,125,316.20x = 937,579,259,702.69
  5. Step 5: Solve for x
    x = 937,579,259,702.69/1,125,316.20
  6. Step 6: Final answer
    x = 833,169.61

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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.