Home / 1,150,275.21-1,587,193-666,745.84

Finding the Fourth Proportional to 1,150,275.21, 1,587,193 and 666,745.84

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Solution

The fourth proportional to 1,150,275.21, 1,587,193 and 666,745.84 is: 920,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,275.21 : 1,587,193 = 666,745.84 : x
  2. Step 2: Convert to fraction form
    1,150,275.21/1,587,193 = 666,745.84/x
  3. Step 3: Cross multiply
    1,150,275.21x = 1,587,193 × 666,745.84
  4. Step 4: Simplify right side
    1,150,275.21x = 1,058,254,330,027.12
  5. Step 5: Solve for x
    x = 1,058,254,330,027.12/1,150,275.21
  6. Step 6: Final answer
    x = 920,000.99

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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.