Home / 1,508,064.86-2,081,076.80-828,996.50

Finding the Fourth Proportional to 1,508,064.86, 2,081,076.80 and 828,996.50

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Solution

The fourth proportional to 1,508,064.86, 2,081,076.80 and 828,996.50 is: 1,143,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,064.86 : 2,081,076.80 = 828,996.50 : x
  2. Step 2: Convert to fraction form
    1,508,064.86/2,081,076.80 = 828,996.50/x
  3. Step 3: Cross multiply
    1,508,064.86x = 2,081,076.80 × 828,996.50
  4. Step 4: Simplify right side
    1,508,064.86x = 1,725,205,368,880.83
  5. Step 5: Solve for x
    x = 1,725,205,368,880.83/1,508,064.86
  6. Step 6: Final answer
    x = 1,143,986.19

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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.