Home / 1,645,225.08-2,270,526.31-920,140.27

Finding the Fourth Proportional to 1,645,225.08, 2,270,526.31 and 920,140.27

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Solution

The fourth proportional to 1,645,225.08, 2,270,526.31 and 920,140.27 is: 1,269,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,225.08 : 2,270,526.31 = 920,140.27 : x
  2. Step 2: Convert to fraction form
    1,645,225.08/2,270,526.31 = 920,140.27/x
  3. Step 3: Cross multiply
    1,645,225.08x = 2,270,526.31 × 920,140.27
  4. Step 4: Simplify right side
    1,645,225.08x = 2,089,202,693,180.21
  5. Step 5: Solve for x
    x = 2,089,202,693,180.21/1,645,225.08
  6. Step 6: Final answer
    x = 1,269,858.28

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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.