Home / 1,422,971.64-2,134,299.60-358,013.88

Finding the Fourth Proportional to 1,422,971.64, 2,134,299.60 and 358,013.88

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Solution

The fourth proportional to 1,422,971.64, 2,134,299.60 and 358,013.88 is: 536,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,971.64 : 2,134,299.60 = 358,013.88 : x
  2. Step 2: Convert to fraction form
    1,422,971.64/2,134,299.60 = 358,013.88/x
  3. Step 3: Cross multiply
    1,422,971.64x = 2,134,299.60 × 358,013.88
  4. Step 4: Simplify right side
    1,422,971.64x = 764,108,880,878.45
  5. Step 5: Solve for x
    x = 764,108,880,878.45/1,422,971.64
  6. Step 6: Final answer
    x = 536,981.10

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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.