Home / 1,094,378.30-1,641,567.45-828,657.80

Finding the Fourth Proportional to 1,094,378.30, 1,641,567.45 and 828,657.80

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Solution

The fourth proportional to 1,094,378.30, 1,641,567.45 and 828,657.80 is: 1,242,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,378.30 : 1,641,567.45 = 828,657.80 : x
  2. Step 2: Convert to fraction form
    1,094,378.30/1,641,567.45 = 828,657.80/x
  3. Step 3: Cross multiply
    1,094,378.30x = 1,641,567.45 × 828,657.80
  4. Step 4: Simplify right side
    1,094,378.30x = 1,360,297,671,668.61
  5. Step 5: Solve for x
    x = 1,360,297,671,668.61/1,094,378.30
  6. Step 6: Final answer
    x = 1,242,986.70

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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.