Home / 1,230,414.14-1,698,012.24-714,129.32

Finding the Fourth Proportional to 1,230,414.14, 1,698,012.24 and 714,129.32

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Solution

The fourth proportional to 1,230,414.14, 1,698,012.24 and 714,129.32 is: 985,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,414.14 : 1,698,012.24 = 714,129.32 : x
  2. Step 2: Convert to fraction form
    1,230,414.14/1,698,012.24 = 714,129.32/x
  3. Step 3: Cross multiply
    1,230,414.14x = 1,698,012.24 × 714,129.32
  4. Step 4: Simplify right side
    1,230,414.14x = 1,212,600,326,302.88
  5. Step 5: Solve for x
    x = 1,212,600,326,302.88/1,230,414.14
  6. Step 6: Final answer
    x = 985,522.10

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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.