Home / 1,258,899.48-1,737,281.52-685,939.74

Finding the Fourth Proportional to 1,258,899.48, 1,737,281.52 and 685,939.74

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Solution

The fourth proportional to 1,258,899.48, 1,737,281.52 and 685,939.74 is: 946,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,899.48 : 1,737,281.52 = 685,939.74 : x
  2. Step 2: Convert to fraction form
    1,258,899.48/1,737,281.52 = 685,939.74/x
  3. Step 3: Cross multiply
    1,258,899.48x = 1,737,281.52 × 685,939.74
  4. Step 4: Simplify right side
    1,258,899.48x = 1,191,670,434,135.60
  5. Step 5: Solve for x
    x = 1,191,670,434,135.60/1,258,899.48
  6. Step 6: Final answer
    x = 946,596.97

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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.