Home / 830,539.80-1,245,809.70-822,666.60

Finding the Fourth Proportional to 830,539.80, 1,245,809.70 and 822,666.60

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Solution

The fourth proportional to 830,539.80, 1,245,809.70 and 822,666.60 is: 1,233,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,539.80 : 1,245,809.70 = 822,666.60 : x
  2. Step 2: Convert to fraction form
    830,539.80/1,245,809.70 = 822,666.60/x
  3. Step 3: Cross multiply
    830,539.80x = 1,245,809.70 × 822,666.60
  4. Step 4: Simplify right side
    830,539.80x = 1,024,886,030,146.02
  5. Step 5: Solve for x
    x = 1,024,886,030,146.02/830,539.80
  6. Step 6: Final answer
    x = 1,233,999.90

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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.