Home / 1,399,779.14-2,099,785.32-375,255.45

Finding the Fourth Proportional to 1,399,779.14, 2,099,785.32 and 375,255.45

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Solution

The fourth proportional to 1,399,779.14, 2,099,785.32 and 375,255.45 is: 562,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,779.14 : 2,099,785.32 = 375,255.45 : x
  2. Step 2: Convert to fraction form
    1,399,779.14/2,099,785.32 = 375,255.45/x
  3. Step 3: Cross multiply
    1,399,779.14x = 2,099,785.32 × 375,255.45
  4. Step 4: Simplify right side
    1,399,779.14x = 787,955,885,159.99
  5. Step 5: Solve for x
    x = 787,955,885,159.99/1,399,779.14
  6. Step 6: Final answer
    x = 562,914.44

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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.