Home / 1,094,379.80-1,641,569.70-828,659.30

Finding the Fourth Proportional to 1,094,379.80, 1,641,569.70 and 828,659.30

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Solution

The fourth proportional to 1,094,379.80, 1,641,569.70 and 828,659.30 is: 1,242,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,379.80 : 1,641,569.70 = 828,659.30 : x
  2. Step 2: Convert to fraction form
    1,094,379.80/1,641,569.70 = 828,659.30/x
  3. Step 3: Cross multiply
    1,094,379.80x = 1,641,569.70 × 828,659.30
  4. Step 4: Simplify right side
    1,094,379.80x = 1,360,301,998,503.21
  5. Step 5: Solve for x
    x = 1,360,301,998,503.21/1,094,379.80
  6. Step 6: Final answer
    x = 1,242,988.95

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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.