Home / 1,245,595.40-1,868,853.90-404,174.60

Finding the Fourth Proportional to 1,245,595.40, 1,868,853.90 and 404,174.60

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Solution

The fourth proportional to 1,245,595.40, 1,868,853.90 and 404,174.60 is: 606,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,595.40 : 1,868,853.90 = 404,174.60 : x
  2. Step 2: Convert to fraction form
    1,245,595.40/1,868,853.90 = 404,174.60/x
  3. Step 3: Cross multiply
    1,245,595.40x = 1,868,853.90 × 404,174.60
  4. Step 4: Simplify right side
    1,245,595.40x = 755,343,277,490.94
  5. Step 5: Solve for x
    x = 755,343,277,490.94/1,245,595.40
  6. Step 6: Final answer
    x = 606,411.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.