Home / 1,483,646.83-2,225,158.85-418,439.78

Finding the Fourth Proportional to 1,483,646.83, 2,225,158.85 and 418,439.78

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Solution

The fourth proportional to 1,483,646.83, 2,225,158.85 and 418,439.78 is: 627,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,646.83 : 2,225,158.85 = 418,439.78 : x
  2. Step 2: Convert to fraction form
    1,483,646.83/2,225,158.85 = 418,439.78/x
  3. Step 3: Cross multiply
    1,483,646.83x = 2,225,158.85 × 418,439.78
  4. Step 4: Simplify right side
    1,483,646.83x = 931,094,974,096.16
  5. Step 5: Solve for x
    x = 931,094,974,096.16/1,483,646.83
  6. Step 6: Final answer
    x = 627,571.84

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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.