Home / 1,175,342.40-1,763,013.60-755,438.40

Finding the Fourth Proportional to 1,175,342.40, 1,763,013.60 and 755,438.40

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Solution

The fourth proportional to 1,175,342.40, 1,763,013.60 and 755,438.40 is: 1,133,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,342.40 : 1,763,013.60 = 755,438.40 : x
  2. Step 2: Convert to fraction form
    1,175,342.40/1,763,013.60 = 755,438.40/x
  3. Step 3: Cross multiply
    1,175,342.40x = 1,763,013.60 × 755,438.40
  4. Step 4: Simplify right side
    1,175,342.40x = 1,331,848,173,162.24
  5. Step 5: Solve for x
    x = 1,331,848,173,162.24/1,175,342.40
  6. Step 6: Final answer
    x = 1,133,157.60

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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.