Home / 1,666,725.18-2,300,072.70-931,679.28

Finding the Fourth Proportional to 1,666,725.18, 2,300,072.70 and 931,679.28

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Solution

The fourth proportional to 1,666,725.18, 2,300,072.70 and 931,679.28 is: 1,285,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,725.18 : 2,300,072.70 = 931,679.28 : x
  2. Step 2: Convert to fraction form
    1,666,725.18/2,300,072.70 = 931,679.28/x
  3. Step 3: Cross multiply
    1,666,725.18x = 2,300,072.70 × 931,679.28
  4. Step 4: Simplify right side
    1,666,725.18x = 2,142,930,077,083.66
  5. Step 5: Solve for x
    x = 2,142,930,077,083.66/1,666,725.18
  6. Step 6: Final answer
    x = 1,285,712.91

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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.