Home / 1,497,190.26-2,066,127.93-818,126.76

Finding the Fourth Proportional to 1,497,190.26, 2,066,127.93 and 818,126.76

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Solution

The fourth proportional to 1,497,190.26, 2,066,127.93 and 818,126.76 is: 1,129,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,190.26 : 2,066,127.93 = 818,126.76 : x
  2. Step 2: Convert to fraction form
    1,497,190.26/2,066,127.93 = 818,126.76/x
  3. Step 3: Cross multiply
    1,497,190.26x = 2,066,127.93 × 818,126.76
  4. Step 4: Simplify right side
    1,497,190.26x = 1,690,354,549,116.41
  5. Step 5: Solve for x
    x = 1,690,354,549,116.41/1,497,190.26
  6. Step 6: Final answer
    x = 1,129,017.86

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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.