Home / 1,557,072.80-2,335,609.20-891,677.60

Finding the Fourth Proportional to 1,557,072.80, 2,335,609.20 and 891,677.60

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Solution

The fourth proportional to 1,557,072.80, 2,335,609.20 and 891,677.60 is: 1,337,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,072.80 : 2,335,609.20 = 891,677.60 : x
  2. Step 2: Convert to fraction form
    1,557,072.80/2,335,609.20 = 891,677.60/x
  3. Step 3: Cross multiply
    1,557,072.80x = 2,335,609.20 × 891,677.60
  4. Step 4: Simplify right side
    1,557,072.80x = 2,082,610,405,993.92
  5. Step 5: Solve for x
    x = 2,082,610,405,993.92/1,557,072.80
  6. Step 6: Final answer
    x = 1,337,516.40

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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.