Home / 1,079,931.14-1,620,138.27-406,018.28

Finding the Fourth Proportional to 1,079,931.14, 1,620,138.27 and 406,018.28

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Solution

The fourth proportional to 1,079,931.14, 1,620,138.27 and 406,018.28 is: 609,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,931.14 : 1,620,138.27 = 406,018.28 : x
  2. Step 2: Convert to fraction form
    1,079,931.14/1,620,138.27 = 406,018.28/x
  3. Step 3: Cross multiply
    1,079,931.14x = 1,620,138.27 × 406,018.28
  4. Step 4: Simplify right side
    1,079,931.14x = 657,805,745,646.88
  5. Step 5: Solve for x
    x = 657,805,745,646.88/1,079,931.14
  6. Step 6: Final answer
    x = 609,118.23

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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.