Home / 1,342,750.88-1,853,019.83-730,921.22

Finding the Fourth Proportional to 1,342,750.88, 1,853,019.83 and 730,921.22

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Solution

The fourth proportional to 1,342,750.88, 1,853,019.83 and 730,921.22 is: 1,008,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,750.88 : 1,853,019.83 = 730,921.22 : x
  2. Step 2: Convert to fraction form
    1,342,750.88/1,853,019.83 = 730,921.22/x
  3. Step 3: Cross multiply
    1,342,750.88x = 1,853,019.83 × 730,921.22
  4. Step 4: Simplify right side
    1,342,750.88x = 1,354,411,524,762.06
  5. Step 5: Solve for x
    x = 1,354,411,524,762.06/1,342,750.88
  6. Step 6: Final answer
    x = 1,008,684.15

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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.