Home / 1,124,558.70-1,686,838.14-325,840.80

Finding the Fourth Proportional to 1,124,558.70, 1,686,838.14 and 325,840.80

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Solution

The fourth proportional to 1,124,558.70, 1,686,838.14 and 325,840.80 is: 488,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,558.70 : 1,686,838.14 = 325,840.80 : x
  2. Step 2: Convert to fraction form
    1,124,558.70/1,686,838.14 = 325,840.80/x
  3. Step 3: Cross multiply
    1,124,558.70x = 1,686,838.14 × 325,840.80
  4. Step 4: Simplify right side
    1,124,558.70x = 549,640,689,008.11
  5. Step 5: Solve for x
    x = 549,640,689,008.11/1,124,558.70
  6. Step 6: Final answer
    x = 488,761.23

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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.