Home / 1,518,511.32-2,095,473.24-830,218.68

Finding the Fourth Proportional to 1,518,511.32, 2,095,473.24 and 830,218.68

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Solution

The fourth proportional to 1,518,511.32, 2,095,473.24 and 830,218.68 is: 1,145,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,511.32 : 2,095,473.24 = 830,218.68 : x
  2. Step 2: Convert to fraction form
    1,518,511.32/2,095,473.24 = 830,218.68/x
  3. Step 3: Cross multiply
    1,518,511.32x = 2,095,473.24 × 830,218.68
  4. Step 4: Simplify right side
    1,518,511.32x = 1,739,701,027,288.12
  5. Step 5: Solve for x
    x = 1,739,701,027,288.12/1,518,511.32
  6. Step 6: Final answer
    x = 1,145,662.21

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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.