Home / 1,177,325.40-1,763,363.70-909,636.60

Finding the Fourth Proportional to 1,177,325.40, 1,763,363.70 and 909,636.60

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Solution

The fourth proportional to 1,177,325.40, 1,763,363.70 and 909,636.60 is: 1,362,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,325.40 : 1,763,363.70 = 909,636.60 : x
  2. Step 2: Convert to fraction form
    1,177,325.40/1,763,363.70 = 909,636.60/x
  3. Step 3: Cross multiply
    1,177,325.40x = 1,763,363.70 × 909,636.60
  4. Step 4: Simplify right side
    1,177,325.40x = 1,604,020,160,631.42
  5. Step 5: Solve for x
    x = 1,604,020,160,631.42/1,177,325.40
  6. Step 6: Final answer
    x = 1,362,427.21

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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.