Home / 1,989,230.51-2,983,845.69-727,058.13

Finding the Fourth Proportional to 1,989,230.51, 2,983,845.69 and 727,058.13

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Solution

The fourth proportional to 1,989,230.51, 2,983,845.69 and 727,058.13 is: 1,090,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,230.51 : 2,983,845.69 = 727,058.13 : x
  2. Step 2: Convert to fraction form
    1,989,230.51/2,983,845.69 = 727,058.13/x
  3. Step 3: Cross multiply
    1,989,230.51x = 2,983,845.69 × 727,058.13
  4. Step 4: Simplify right side
    1,989,230.51x = 2,169,429,267,579.96
  5. Step 5: Solve for x
    x = 2,169,429,267,579.96/1,989,230.51
  6. Step 6: Final answer
    x = 1,090,587.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.