Home / 1,570,516.62-2,167,424.91-891,496.86

Finding the Fourth Proportional to 1,570,516.62, 2,167,424.91 and 891,496.86

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Solution

The fourth proportional to 1,570,516.62, 2,167,424.91 and 891,496.86 is: 1,230,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,516.62 : 2,167,424.91 = 891,496.86 : x
  2. Step 2: Convert to fraction form
    1,570,516.62/2,167,424.91 = 891,496.86/x
  3. Step 3: Cross multiply
    1,570,516.62x = 2,167,424.91 × 891,496.86
  4. Step 4: Simplify right side
    1,570,516.62x = 1,932,252,501,550.78
  5. Step 5: Solve for x
    x = 1,932,252,501,550.78/1,570,516.62
  6. Step 6: Final answer
    x = 1,230,329.23

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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.