Home / 1,150,288.66-1,587,211.63-666,759.34

Finding the Fourth Proportional to 1,150,288.66, 1,587,211.63 and 666,759.34

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Solution

The fourth proportional to 1,150,288.66, 1,587,211.63 and 666,759.34 is: 920,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,288.66 : 1,587,211.63 = 666,759.34 : x
  2. Step 2: Convert to fraction form
    1,150,288.66/1,587,211.63 = 666,759.34/x
  3. Step 3: Cross multiply
    1,150,288.66x = 1,587,211.63 × 666,759.34
  4. Step 4: Simplify right side
    1,150,288.66x = 1,058,288,178,859.12
  5. Step 5: Solve for x
    x = 1,058,288,178,859.12/1,150,288.66
  6. Step 6: Final answer
    x = 920,019.66

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1.5x scale

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.