Home / 994,271.60-1,489,657.80-815,812.40

Finding the Fourth Proportional to 994,271.60, 1,489,657.80 and 815,812.40

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Solution

The fourth proportional to 994,271.60, 1,489,657.80 and 815,812.40 is: 1,222,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,271.60 : 1,489,657.80 = 815,812.40 : x
  2. Step 2: Convert to fraction form
    994,271.60/1,489,657.80 = 815,812.40/x
  3. Step 3: Cross multiply
    994,271.60x = 1,489,657.80 × 815,812.40
  4. Step 4: Simplify right side
    994,271.60x = 1,215,281,304,996.72
  5. Step 5: Solve for x
    x = 1,215,281,304,996.72/994,271.60
  6. Step 6: Final answer
    x = 1,222,283.03

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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.