Home / 1,365,272.20-1,884,120.90-745,111.33

Finding the Fourth Proportional to 1,365,272.20, 1,884,120.90 and 745,111.33

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Solution

The fourth proportional to 1,365,272.20, 1,884,120.90 and 745,111.33 is: 1,028,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,272.20 : 1,884,120.90 = 745,111.33 : x
  2. Step 2: Convert to fraction form
    1,365,272.20/1,884,120.90 = 745,111.33/x
  3. Step 3: Cross multiply
    1,365,272.20x = 1,884,120.90 × 745,111.33
  4. Step 4: Simplify right side
    1,365,272.20x = 1,403,879,822,175.33
  5. Step 5: Solve for x
    x = 1,403,879,822,175.33/1,365,272.20
  6. Step 6: Final answer
    x = 1,028,278.33

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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.