Home / 1,433,046-2,149,587.45-421,938.06

Finding the Fourth Proportional to 1,433,046, 2,149,587.45 and 421,938.06

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Solution

The fourth proportional to 1,433,046, 2,149,587.45 and 421,938.06 is: 632,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,046 : 2,149,587.45 = 421,938.06 : x
  2. Step 2: Convert to fraction form
    1,433,046/2,149,587.45 = 421,938.06/x
  3. Step 3: Cross multiply
    1,433,046x = 2,149,587.45 × 421,938.06
  4. Step 4: Simplify right side
    1,433,046x = 906,992,758,453.35
  5. Step 5: Solve for x
    x = 906,992,758,453.35/1,433,046
  6. Step 6: Final answer
    x = 632,912.52

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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.