Home / 989,211.60-1,483,817.40-983,306.70

Finding the Fourth Proportional to 989,211.60, 1,483,817.40 and 983,306.70

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Solution

The fourth proportional to 989,211.60, 1,483,817.40 and 983,306.70 is: 1,474,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,211.60 : 1,483,817.40 = 983,306.70 : x
  2. Step 2: Convert to fraction form
    989,211.60/1,483,817.40 = 983,306.70/x
  3. Step 3: Cross multiply
    989,211.60x = 1,483,817.40 × 983,306.70
  4. Step 4: Simplify right side
    989,211.60x = 1,459,047,590,996.58
  5. Step 5: Solve for x
    x = 1,459,047,590,996.58/989,211.60
  6. Step 6: Final answer
    x = 1,474,960.05

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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.