Home / 1,052,863.20-1,577,998.80-715,903.20

Finding the Fourth Proportional to 1,052,863.20, 1,577,998.80 and 715,903.20

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Solution

The fourth proportional to 1,052,863.20, 1,577,998.80 and 715,903.20 is: 1,072,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,863.20 : 1,577,998.80 = 715,903.20 : x
  2. Step 2: Convert to fraction form
    1,052,863.20/1,577,998.80 = 715,903.20/x
  3. Step 3: Cross multiply
    1,052,863.20x = 1,577,998.80 × 715,903.20
  4. Step 4: Simplify right side
    1,052,863.20x = 1,129,694,390,516.16
  5. Step 5: Solve for x
    x = 1,129,694,390,516.16/1,052,863.20
  6. Step 6: Final answer
    x = 1,072,973.57

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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.