Home / 1,695,144.31-2,339,318.48-920,782.28

Finding the Fourth Proportional to 1,695,144.31, 2,339,318.48 and 920,782.28

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Solution

The fourth proportional to 1,695,144.31, 2,339,318.48 and 920,782.28 is: 1,270,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,144.31 : 2,339,318.48 = 920,782.28 : x
  2. Step 2: Convert to fraction form
    1,695,144.31/2,339,318.48 = 920,782.28/x
  3. Step 3: Cross multiply
    1,695,144.31x = 2,339,318.48 × 920,782.28
  4. Step 4: Simplify right side
    1,695,144.31x = 2,154,003,004,904.92
  5. Step 5: Solve for x
    x = 2,154,003,004,904.92/1,695,144.31
  6. Step 6: Final answer
    x = 1,270,690.05

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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.