Home / 1,207,985.24-1,667,030.84-664,124.85

Finding the Fourth Proportional to 1,207,985.24, 1,667,030.84 and 664,124.85

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Solution

The fourth proportional to 1,207,985.24, 1,667,030.84 and 664,124.85 is: 916,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,985.24 : 1,667,030.84 = 664,124.85 : x
  2. Step 2: Convert to fraction form
    1,207,985.24/1,667,030.84 = 664,124.85/x
  3. Step 3: Cross multiply
    1,207,985.24x = 1,667,030.84 × 664,124.85
  4. Step 4: Simplify right side
    1,207,985.24x = 1,107,116,603,239.75
  5. Step 5: Solve for x
    x = 1,107,116,603,239.75/1,207,985.24
  6. Step 6: Final answer
    x = 916,498.46

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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.