Home / 1,143,736.08-1,578,188.52-660,224.40

Finding the Fourth Proportional to 1,143,736.08, 1,578,188.52 and 660,224.40

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Solution

The fourth proportional to 1,143,736.08, 1,578,188.52 and 660,224.40 is: 911,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,736.08 : 1,578,188.52 = 660,224.40 : x
  2. Step 2: Convert to fraction form
    1,143,736.08/1,578,188.52 = 660,224.40/x
  3. Step 3: Cross multiply
    1,143,736.08x = 1,578,188.52 × 660,224.40
  4. Step 4: Simplify right side
    1,143,736.08x = 1,041,958,568,703.89
  5. Step 5: Solve for x
    x = 1,041,958,568,703.89/1,143,736.08
  6. Step 6: Final answer
    x = 911,013.11

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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.