Home / 1,326,755.25-1,830,901.98-745,978.90

Finding the Fourth Proportional to 1,326,755.25, 1,830,901.98 and 745,978.90

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Solution

The fourth proportional to 1,326,755.25, 1,830,901.98 and 745,978.90 is: 1,029,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,755.25 : 1,830,901.98 = 745,978.90 : x
  2. Step 2: Convert to fraction form
    1,326,755.25/1,830,901.98 = 745,978.90/x
  3. Step 3: Cross multiply
    1,326,755.25x = 1,830,901.98 × 745,978.90
  4. Step 4: Simplify right side
    1,326,755.25x = 1,365,814,245,048.22
  5. Step 5: Solve for x
    x = 1,365,814,245,048.22/1,326,755.25
  6. Step 6: Final answer
    x = 1,029,439.49

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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.