Home / 1,303,609.20-1,955,413.80-855,711.60

Finding the Fourth Proportional to 1,303,609.20, 1,955,413.80 and 855,711.60

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Solution

The fourth proportional to 1,303,609.20, 1,955,413.80 and 855,711.60 is: 1,283,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,609.20 : 1,955,413.80 = 855,711.60 : x
  2. Step 2: Convert to fraction form
    1,303,609.20/1,955,413.80 = 855,711.60/x
  3. Step 3: Cross multiply
    1,303,609.20x = 1,955,413.80 × 855,711.60
  4. Step 4: Simplify right side
    1,303,609.20x = 1,673,270,271,460.08
  5. Step 5: Solve for x
    x = 1,673,270,271,460.08/1,303,609.20
  6. Step 6: Final answer
    x = 1,283,567.40

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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.