Home / 1,159,893.15-1,600,610.49-643,669.57

Finding the Fourth Proportional to 1,159,893.15, 1,600,610.49 and 643,669.57

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Solution

The fourth proportional to 1,159,893.15, 1,600,610.49 and 643,669.57 is: 888,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,893.15 : 1,600,610.49 = 643,669.57 : x
  2. Step 2: Convert to fraction form
    1,159,893.15/1,600,610.49 = 643,669.57/x
  3. Step 3: Cross multiply
    1,159,893.15x = 1,600,610.49 × 643,669.57
  4. Step 4: Simplify right side
    1,159,893.15x = 1,030,264,265,835.79
  5. Step 5: Solve for x
    x = 1,030,264,265,835.79/1,159,893.15
  6. Step 6: Final answer
    x = 888,240.67

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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.