Home / 1,330,083.88-1,831,649.82-1,155,573.40

Finding the Fourth Proportional to 1,330,083.88, 1,831,649.82 and 1,155,573.40

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Solution

The fourth proportional to 1,330,083.88, 1,831,649.82 and 1,155,573.40 is: 1,591,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,083.88 : 1,831,649.82 = 1,155,573.40 : x
  2. Step 2: Convert to fraction form
    1,330,083.88/1,831,649.82 = 1,155,573.40/x
  3. Step 3: Cross multiply
    1,330,083.88x = 1,831,649.82 × 1,155,573.40
  4. Step 4: Simplify right side
    1,330,083.88x = 2,116,605,810,106.79
  5. Step 5: Solve for x
    x = 2,116,605,810,106.79/1,330,083.88
  6. Step 6: Final answer
    x = 1,591,332.58

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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.