Home / 1,470,331.20-2,205,561.60-830,625.60

Finding the Fourth Proportional to 1,470,331.20, 2,205,561.60 and 830,625.60

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Solution

The fourth proportional to 1,470,331.20, 2,205,561.60 and 830,625.60 is: 1,245,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,331.20 : 2,205,561.60 = 830,625.60 : x
  2. Step 2: Convert to fraction form
    1,470,331.20/2,205,561.60 = 830,625.60/x
  3. Step 3: Cross multiply
    1,470,331.20x = 2,205,561.60 × 830,625.60
  4. Step 4: Simplify right side
    1,470,331.20x = 1,831,995,927,336.96
  5. Step 5: Solve for x
    x = 1,831,995,927,336.96/1,470,331.20
  6. Step 6: Final answer
    x = 1,245,975.01

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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.