Home / 1,007,449.60-1,511,172.72-690,946.96

Finding the Fourth Proportional to 1,007,449.60, 1,511,172.72 and 690,946.96

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Solution

The fourth proportional to 1,007,449.60, 1,511,172.72 and 690,946.96 is: 1,036,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,449.60 : 1,511,172.72 = 690,946.96 : x
  2. Step 2: Convert to fraction form
    1,007,449.60/1,511,172.72 = 690,946.96/x
  3. Step 3: Cross multiply
    1,007,449.60x = 1,511,172.72 × 690,946.96
  4. Step 4: Simplify right side
    1,007,449.60x = 1,044,140,196,918.93
  5. Step 5: Solve for x
    x = 1,044,140,196,918.93/1,007,449.60
  6. Step 6: Final answer
    x = 1,036,419.29

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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.