Home / 1,213,985.48-1,675,305.79-670,111.38

Finding the Fourth Proportional to 1,213,985.48, 1,675,305.79 and 670,111.38

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Solution

The fourth proportional to 1,213,985.48, 1,675,305.79 and 670,111.38 is: 924,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,985.48 : 1,675,305.79 = 670,111.38 : x
  2. Step 2: Convert to fraction form
    1,213,985.48/1,675,305.79 = 670,111.38/x
  3. Step 3: Cross multiply
    1,213,985.48x = 1,675,305.79 × 670,111.38
  4. Step 4: Simplify right side
    1,213,985.48x = 1,122,641,473,183.61
  5. Step 5: Solve for x
    x = 1,122,641,473,183.61/1,213,985.48
  6. Step 6: Final answer
    x = 924,756.92

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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.