Home / 1,401,814.14-2,102,690.94-390,909.16

Finding the Fourth Proportional to 1,401,814.14, 2,102,690.94 and 390,909.16

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Solution

The fourth proportional to 1,401,814.14, 2,102,690.94 and 390,909.16 is: 586,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,814.14 : 2,102,690.94 = 390,909.16 : x
  2. Step 2: Convert to fraction form
    1,401,814.14/2,102,690.94 = 390,909.16/x
  3. Step 3: Cross multiply
    1,401,814.14x = 2,102,690.94 × 390,909.16
  4. Step 4: Simplify right side
    1,401,814.14x = 821,961,149,095.01
  5. Step 5: Solve for x
    x = 821,961,149,095.01/1,401,814.14
  6. Step 6: Final answer
    x = 586,355.30

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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.