Home / 1,311,500.89-1,967,516.54-553,344.24

Finding the Fourth Proportional to 1,311,500.89, 1,967,516.54 and 553,344.24

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Solution

The fourth proportional to 1,311,500.89, 1,967,516.54 and 553,344.24 is: 830,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,500.89 : 1,967,516.54 = 553,344.24 : x
  2. Step 2: Convert to fraction form
    1,311,500.89/1,967,516.54 = 553,344.24/x
  3. Step 3: Cross multiply
    1,311,500.89x = 1,967,516.54 × 553,344.24
  4. Step 4: Simplify right side
    1,311,500.89x = 1,088,713,944,513.73
  5. Step 5: Solve for x
    x = 1,088,713,944,513.73/1,311,500.89
  6. Step 6: Final answer
    x = 830,128.25

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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.