Home / 1,052,979.32-1,579,665.86-421,942.34

Finding the Fourth Proportional to 1,052,979.32, 1,579,665.86 and 421,942.34

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Solution

The fourth proportional to 1,052,979.32, 1,579,665.86 and 421,942.34 is: 632,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,979.32 : 1,579,665.86 = 421,942.34 : x
  2. Step 2: Convert to fraction form
    1,052,979.32/1,579,665.86 = 421,942.34/x
  3. Step 3: Cross multiply
    1,052,979.32x = 1,579,665.86 × 421,942.34
  4. Step 4: Simplify right side
    1,052,979.32x = 666,527,899,378.47
  5. Step 5: Solve for x
    x = 666,527,899,378.47/1,052,979.32
  6. Step 6: Final answer
    x = 632,992.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.