Home / 1,087,879.79-1,631,817.90-289,161.34

Finding the Fourth Proportional to 1,087,879.79, 1,631,817.90 and 289,161.34

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Solution

The fourth proportional to 1,087,879.79, 1,631,817.90 and 289,161.34 is: 433,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,879.79 : 1,631,817.90 = 289,161.34 : x
  2. Step 2: Convert to fraction form
    1,087,879.79/1,631,817.90 = 289,161.34/x
  3. Step 3: Cross multiply
    1,087,879.79x = 1,631,817.90 × 289,161.34
  4. Step 4: Simplify right side
    1,087,879.79x = 471,858,655,699.42
  5. Step 5: Solve for x
    x = 471,858,655,699.42/1,087,879.79
  6. Step 6: Final answer
    x = 433,741.54

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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.