Home / 1,680,580.44-2,319,232.50-916,661.34

Finding the Fourth Proportional to 1,680,580.44, 2,319,232.50 and 916,661.34

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Solution

The fourth proportional to 1,680,580.44, 2,319,232.50 and 916,661.34 is: 1,265,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,580.44 : 2,319,232.50 = 916,661.34 : x
  2. Step 2: Convert to fraction form
    1,680,580.44/2,319,232.50 = 916,661.34/x
  3. Step 3: Cross multiply
    1,680,580.44x = 2,319,232.50 × 916,661.34
  4. Step 4: Simplify right side
    1,680,580.44x = 2,125,950,771,221.55
  5. Step 5: Solve for x
    x = 2,125,950,771,221.55/1,680,580.44
  6. Step 6: Final answer
    x = 1,265,009.83

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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.