Home / 1,518,422.68-2,095,357.98-830,081.44

Finding the Fourth Proportional to 1,518,422.68, 2,095,357.98 and 830,081.44

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Solution

The fourth proportional to 1,518,422.68, 2,095,357.98 and 830,081.44 is: 1,145,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,422.68 : 2,095,357.98 = 830,081.44 : x
  2. Step 2: Convert to fraction form
    1,518,422.68/2,095,357.98 = 830,081.44/x
  3. Step 3: Cross multiply
    1,518,422.68x = 2,095,357.98 × 830,081.44
  4. Step 4: Simplify right side
    1,518,422.68x = 1,739,317,769,353.89
  5. Step 5: Solve for x
    x = 1,739,317,769,353.89/1,518,422.68
  6. Step 6: Final answer
    x = 1,145,476.68

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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.