Home / 1,085,903.30-1,626,230.55-1,038,664.10

Finding the Fourth Proportional to 1,085,903.30, 1,626,230.55 and 1,038,664.10

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Solution

The fourth proportional to 1,085,903.30, 1,626,230.55 and 1,038,664.10 is: 1,555,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,903.30 : 1,626,230.55 = 1,038,664.10 : x
  2. Step 2: Convert to fraction form
    1,085,903.30/1,626,230.55 = 1,038,664.10/x
  3. Step 3: Cross multiply
    1,085,903.30x = 1,626,230.55 × 1,038,664.10
  4. Step 4: Simplify right side
    1,085,903.30x = 1,689,107,290,608.26
  5. Step 5: Solve for x
    x = 1,689,107,290,608.26/1,085,903.30
  6. Step 6: Final answer
    x = 1,555,485.92

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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.