Home / 1,152,147.64-1,589,709.18-668,432.44

Finding the Fourth Proportional to 1,152,147.64, 1,589,709.18 and 668,432.44

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Solution

The fourth proportional to 1,152,147.64, 1,589,709.18 and 668,432.44 is: 922,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,147.64 : 1,589,709.18 = 668,432.44 : x
  2. Step 2: Convert to fraction form
    1,152,147.64/1,589,709.18 = 668,432.44/x
  3. Step 3: Cross multiply
    1,152,147.64x = 1,589,709.18 × 668,432.44
  4. Step 4: Simplify right side
    1,152,147.64x = 1,062,613,186,077.80
  5. Step 5: Solve for x
    x = 1,062,613,186,077.80/1,152,147.64
  6. Step 6: Final answer
    x = 922,289.08

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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.