Home / 1,518,713.58-2,095,825.89-830,374.47

Finding the Fourth Proportional to 1,518,713.58, 2,095,825.89 and 830,374.47

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Solution

The fourth proportional to 1,518,713.58, 2,095,825.89 and 830,374.47 is: 1,145,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,713.58 : 2,095,825.89 = 830,374.47 : x
  2. Step 2: Convert to fraction form
    1,518,713.58/2,095,825.89 = 830,374.47/x
  3. Step 3: Cross multiply
    1,518,713.58x = 2,095,825.89 × 830,374.47
  4. Step 4: Simplify right side
    1,518,713.58x = 1,740,320,315,734.93
  5. Step 5: Solve for x
    x = 1,740,320,315,734.93/1,518,713.58
  6. Step 6: Final answer
    x = 1,145,917.40

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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.