Home / 1,432,883.97-1,977,379.89-788,290.32

Finding the Fourth Proportional to 1,432,883.97, 1,977,379.89 and 788,290.32

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Solution

The fourth proportional to 1,432,883.97, 1,977,379.89 and 788,290.32 is: 1,087,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,883.97 : 1,977,379.89 = 788,290.32 : x
  2. Step 2: Convert to fraction form
    1,432,883.97/1,977,379.89 = 788,290.32/x
  3. Step 3: Cross multiply
    1,432,883.97x = 1,977,379.89 × 788,290.32
  4. Step 4: Simplify right side
    1,432,883.97x = 1,558,749,426,249.66
  5. Step 5: Solve for x
    x = 1,558,749,426,249.66/1,432,883.97
  6. Step 6: Final answer
    x = 1,087,840.65

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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.