Home / 989,740.22-1,482,065.61-685,701.45

Finding the Fourth Proportional to 989,740.22, 1,482,065.61 and 685,701.45

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Solution

The fourth proportional to 989,740.22, 1,482,065.61 and 685,701.45 is: 1,026,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,740.22 : 1,482,065.61 = 685,701.45 : x
  2. Step 2: Convert to fraction form
    989,740.22/1,482,065.61 = 685,701.45/x
  3. Step 3: Cross multiply
    989,740.22x = 1,482,065.61 × 685,701.45
  4. Step 4: Simplify right side
    989,740.22x = 1,016,254,535,200.75
  5. Step 5: Solve for x
    x = 1,016,254,535,200.75/989,740.22
  6. Step 6: Final answer
    x = 1,026,789.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.