Home / 1,201,647.63-1,658,160.32-718,116.51

Finding the Fourth Proportional to 1,201,647.63, 1,658,160.32 and 718,116.51

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Solution

The fourth proportional to 1,201,647.63, 1,658,160.32 and 718,116.51 is: 990,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,647.63 : 1,658,160.32 = 718,116.51 : x
  2. Step 2: Convert to fraction form
    1,201,647.63/1,658,160.32 = 718,116.51/x
  3. Step 3: Cross multiply
    1,201,647.63x = 1,658,160.32 × 718,116.51
  4. Step 4: Simplify right side
    1,201,647.63x = 1,190,752,298,428.30
  5. Step 5: Solve for x
    x = 1,190,752,298,428.30/1,201,647.63
  6. Step 6: Final answer
    x = 990,933.01

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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.