Home / 1,150,123.44-1,587,176.84-666,975.44

Finding the Fourth Proportional to 1,150,123.44, 1,587,176.84 and 666,975.44

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Solution

The fourth proportional to 1,150,123.44, 1,587,176.84 and 666,975.44 is: 920,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,123.44 : 1,587,176.84 = 666,975.44 : x
  2. Step 2: Convert to fraction form
    1,150,123.44/1,587,176.84 = 666,975.44/x
  3. Step 3: Cross multiply
    1,150,123.44x = 1,587,176.84 × 666,975.44
  4. Step 4: Simplify right side
    1,150,123.44x = 1,058,607,971,216.81
  5. Step 5: Solve for x
    x = 1,058,607,971,216.81/1,150,123.44
  6. Step 6: Final answer
    x = 920,429.87

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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.