Home / 1,150,089.21-1,587,129.54-666,941.13

Finding the Fourth Proportional to 1,150,089.21, 1,587,129.54 and 666,941.13

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Solution

The fourth proportional to 1,150,089.21, 1,587,129.54 and 666,941.13 is: 920,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,089.21 : 1,587,129.54 = 666,941.13 : x
  2. Step 2: Convert to fraction form
    1,150,089.21/1,587,129.54 = 666,941.13/x
  3. Step 3: Cross multiply
    1,150,089.21x = 1,587,129.54 × 666,941.13
  4. Step 4: Simplify right side
    1,150,089.21x = 1,058,521,968,863.98
  5. Step 5: Solve for x
    x = 1,058,521,968,863.98/1,150,089.21
  6. Step 6: Final answer
    x = 920,382.49

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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.