Home / 1,101,397.88-1,652,094.53-621,407.79

Finding the Fourth Proportional to 1,101,397.88, 1,652,094.53 and 621,407.79

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Solution

The fourth proportional to 1,101,397.88, 1,652,094.53 and 621,407.79 is: 932,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,397.88 : 1,652,094.53 = 621,407.79 : x
  2. Step 2: Convert to fraction form
    1,101,397.88/1,652,094.53 = 621,407.79/x
  3. Step 3: Cross multiply
    1,101,397.88x = 1,652,094.53 × 621,407.79
  4. Step 4: Simplify right side
    1,101,397.88x = 1,026,624,407,651.35
  5. Step 5: Solve for x
    x = 1,026,624,407,651.35/1,101,397.88
  6. Step 6: Final answer
    x = 932,110.39

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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.