Home / 1,210,625.33-1,670,539.32-745,405.34

Finding the Fourth Proportional to 1,210,625.33, 1,670,539.32 and 745,405.34

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Solution

The fourth proportional to 1,210,625.33, 1,670,539.32 and 745,405.34 is: 1,028,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,625.33 : 1,670,539.32 = 745,405.34 : x
  2. Step 2: Convert to fraction form
    1,210,625.33/1,670,539.32 = 745,405.34/x
  3. Step 3: Cross multiply
    1,210,625.33x = 1,670,539.32 × 745,405.34
  4. Step 4: Simplify right side
    1,210,625.33x = 1,245,228,929,807.97
  5. Step 5: Solve for x
    x = 1,245,228,929,807.97/1,210,625.33
  6. Step 6: Final answer
    x = 1,028,583.24

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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.