Home / 1,221,018.42-1,831,499.04-322,522.86

Finding the Fourth Proportional to 1,221,018.42, 1,831,499.04 and 322,522.86

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Solution

The fourth proportional to 1,221,018.42, 1,831,499.04 and 322,522.86 is: 483,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,018.42 : 1,831,499.04 = 322,522.86 : x
  2. Step 2: Convert to fraction form
    1,221,018.42/1,831,499.04 = 322,522.86/x
  3. Step 3: Cross multiply
    1,221,018.42x = 1,831,499.04 × 322,522.86
  4. Step 4: Simplify right side
    1,221,018.42x = 590,700,308,468.06
  5. Step 5: Solve for x
    x = 590,700,308,468.06/1,221,018.42
  6. Step 6: Final answer
    x = 483,776.74

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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.