Home / 1,695,825.72-2,340,129.42-970,679.16

Finding the Fourth Proportional to 1,695,825.72, 2,340,129.42 and 970,679.16

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Solution

The fourth proportional to 1,695,825.72, 2,340,129.42 and 970,679.16 is: 1,339,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,825.72 : 2,340,129.42 = 970,679.16 : x
  2. Step 2: Convert to fraction form
    1,695,825.72/2,340,129.42 = 970,679.16/x
  3. Step 3: Cross multiply
    1,695,825.72x = 2,340,129.42 × 970,679.16
  4. Step 4: Simplify right side
    1,695,825.72x = 2,271,514,859,696.89
  5. Step 5: Solve for x
    x = 2,271,514,859,696.89/1,695,825.72
  6. Step 6: Final answer
    x = 1,339,474.24

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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.