Home / 1,443,262.86-1,991,683.08-798,643.80

Finding the Fourth Proportional to 1,443,262.86, 1,991,683.08 and 798,643.80

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Solution

The fourth proportional to 1,443,262.86, 1,991,683.08 and 798,643.80 is: 1,102,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,262.86 : 1,991,683.08 = 798,643.80 : x
  2. Step 2: Convert to fraction form
    1,443,262.86/1,991,683.08 = 798,643.80/x
  3. Step 3: Cross multiply
    1,443,262.86x = 1,991,683.08 × 798,643.80
  4. Step 4: Simplify right side
    1,443,262.86x = 1,590,645,343,406.90
  5. Step 5: Solve for x
    x = 1,590,645,343,406.90/1,443,262.86
  6. Step 6: Final answer
    x = 1,102,117.56

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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.