Home / 1,210,039.12-1,814,635.36-356,884.40

Finding the Fourth Proportional to 1,210,039.12, 1,814,635.36 and 356,884.40

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Solution

The fourth proportional to 1,210,039.12, 1,814,635.36 and 356,884.40 is: 535,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,039.12 : 1,814,635.36 = 356,884.40 : x
  2. Step 2: Convert to fraction form
    1,210,039.12/1,814,635.36 = 356,884.40/x
  3. Step 3: Cross multiply
    1,210,039.12x = 1,814,635.36 × 356,884.40
  4. Step 4: Simplify right side
    1,210,039.12x = 647,615,051,672.38
  5. Step 5: Solve for x
    x = 647,615,051,672.38/1,210,039.12
  6. Step 6: Final answer
    x = 535,201.75

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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.