Home / 1,600,909.40-2,400,543.30-478,832.60

Finding the Fourth Proportional to 1,600,909.40, 2,400,543.30 and 478,832.60

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Solution

The fourth proportional to 1,600,909.40, 2,400,543.30 and 478,832.60 is: 718,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,909.40 : 2,400,543.30 = 478,832.60 : x
  2. Step 2: Convert to fraction form
    1,600,909.40/2,400,543.30 = 478,832.60/x
  3. Step 3: Cross multiply
    1,600,909.40x = 2,400,543.30 × 478,832.60
  4. Step 4: Simplify right side
    1,600,909.40x = 1,149,458,389,751.58
  5. Step 5: Solve for x
    x = 1,149,458,389,751.58/1,600,909.40
  6. Step 6: Final answer
    x = 718,003.40

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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.