Home / 1,407,403.89-2,114,030.34-1,137,836.70

Finding the Fourth Proportional to 1,407,403.89, 2,114,030.34 and 1,137,836.70

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Solution

The fourth proportional to 1,407,403.89, 2,114,030.34 and 1,137,836.70 is: 1,709,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,403.89 : 2,114,030.34 = 1,137,836.70 : x
  2. Step 2: Convert to fraction form
    1,407,403.89/2,114,030.34 = 1,137,836.70/x
  3. Step 3: Cross multiply
    1,407,403.89x = 2,114,030.34 × 1,137,836.70
  4. Step 4: Simplify right side
    1,407,403.89x = 2,405,421,305,765.48
  5. Step 5: Solve for x
    x = 2,405,421,305,765.48/1,407,403.89
  6. Step 6: Final answer
    x = 1,709,119.41

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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.