Home / 1,086,309.15-1,629,852.53-455,416.35

Finding the Fourth Proportional to 1,086,309.15, 1,629,852.53 and 455,416.35

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Solution

The fourth proportional to 1,086,309.15, 1,629,852.53 and 455,416.35 is: 683,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,309.15 : 1,629,852.53 = 455,416.35 : x
  2. Step 2: Convert to fraction form
    1,086,309.15/1,629,852.53 = 455,416.35/x
  3. Step 3: Cross multiply
    1,086,309.15x = 1,629,852.53 × 455,416.35
  4. Step 4: Simplify right side
    1,086,309.15x = 742,261,487,973.78
  5. Step 5: Solve for x
    x = 742,261,487,973.78/1,086,309.15
  6. Step 6: Final answer
    x = 683,287.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.