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Finding the Fourth Proportional to 1,386,012, 2,079,018.04 and 335,388

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Solution

The fourth proportional to 1,386,012, 2,079,018.04 and 335,388 is: 503,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,012 : 2,079,018.04 = 335,388 : x
  2. Step 2: Convert to fraction form
    1,386,012/2,079,018.04 = 335,388/x
  3. Step 3: Cross multiply
    1,386,012x = 2,079,018.04 × 335,388
  4. Step 4: Simplify right side
    1,386,012x = 697,277,702,399.52
  5. Step 5: Solve for x
    x = 697,277,702,399.52/1,386,012
  6. Step 6: Final answer
    x = 503,082.01

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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.