Home / 1,407,467.46-1,942,512.54-891,268.50

Finding the Fourth Proportional to 1,407,467.46, 1,942,512.54 and 891,268.50

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Solution

The fourth proportional to 1,407,467.46, 1,942,512.54 and 891,268.50 is: 1,230,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,467.46 : 1,942,512.54 = 891,268.50 : x
  2. Step 2: Convert to fraction form
    1,407,467.46/1,942,512.54 = 891,268.50/x
  3. Step 3: Cross multiply
    1,407,467.46x = 1,942,512.54 × 891,268.50
  4. Step 4: Simplify right side
    1,407,467.46x = 1,731,300,237,756.99
  5. Step 5: Solve for x
    x = 1,731,300,237,756.99/1,407,467.46
  6. Step 6: Final answer
    x = 1,230,081.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.