Home / 1,433,402.19-1,978,095.33-788,822.39

Finding the Fourth Proportional to 1,433,402.19, 1,978,095.33 and 788,822.39

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Solution

The fourth proportional to 1,433,402.19, 1,978,095.33 and 788,822.39 is: 1,088,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,402.19 : 1,978,095.33 = 788,822.39 : x
  2. Step 2: Convert to fraction form
    1,433,402.19/1,978,095.33 = 788,822.39/x
  3. Step 3: Cross multiply
    1,433,402.19x = 1,978,095.33 × 788,822.39
  4. Step 4: Simplify right side
    1,433,402.19x = 1,560,365,885,858.44
  5. Step 5: Solve for x
    x = 1,560,365,885,858.44/1,433,402.19
  6. Step 6: Final answer
    x = 1,088,575.07

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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.