Home / 1,245,594.40-1,868,852.40-404,173.60

Finding the Fourth Proportional to 1,245,594.40, 1,868,852.40 and 404,173.60

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Solution

The fourth proportional to 1,245,594.40, 1,868,852.40 and 404,173.60 is: 606,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,594.40 : 1,868,852.40 = 404,173.60 : x
  2. Step 2: Convert to fraction form
    1,245,594.40/1,868,852.40 = 404,173.60/x
  3. Step 3: Cross multiply
    1,245,594.40x = 1,868,852.40 × 404,173.60
  4. Step 4: Simplify right side
    1,245,594.40x = 755,340,802,376.64
  5. Step 5: Solve for x
    x = 755,340,802,376.64/1,245,594.40
  6. Step 6: Final answer
    x = 606,409.92

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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.