Home / 1,189,370.40-1,784,055.60-549,672.90

Finding the Fourth Proportional to 1,189,370.40, 1,784,055.60 and 549,672.90

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Solution

The fourth proportional to 1,189,370.40, 1,784,055.60 and 549,672.90 is: 824,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,370.40 : 1,784,055.60 = 549,672.90 : x
  2. Step 2: Convert to fraction form
    1,189,370.40/1,784,055.60 = 549,672.90/x
  3. Step 3: Cross multiply
    1,189,370.40x = 1,784,055.60 × 549,672.90
  4. Step 4: Simplify right side
    1,189,370.40x = 980,647,015,413.24
  5. Step 5: Solve for x
    x = 980,647,015,413.24/1,189,370.40
  6. Step 6: Final answer
    x = 824,509.35

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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.