Home / 1,645,830.62-2,271,139.03-920,552.54

Finding the Fourth Proportional to 1,645,830.62, 2,271,139.03 and 920,552.54

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Solution

The fourth proportional to 1,645,830.62, 2,271,139.03 and 920,552.54 is: 1,270,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,830.62 : 2,271,139.03 = 920,552.54 : x
  2. Step 2: Convert to fraction form
    1,645,830.62/2,271,139.03 = 920,552.54/x
  3. Step 3: Cross multiply
    1,645,830.62x = 2,271,139.03 × 920,552.54
  4. Step 4: Simplify right side
    1,645,830.62x = 2,090,702,802,759.64
  5. Step 5: Solve for x
    x = 2,090,702,802,759.64/1,645,830.62
  6. Step 6: Final answer
    x = 1,270,302.53

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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.