Home / 985,271.60-1,477,907.40-945,905.60

Finding the Fourth Proportional to 985,271.60, 1,477,907.40 and 945,905.60

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Solution

The fourth proportional to 985,271.60, 1,477,907.40 and 945,905.60 is: 1,418,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,271.60 : 1,477,907.40 = 945,905.60 : x
  2. Step 2: Convert to fraction form
    985,271.60/1,477,907.40 = 945,905.60/x
  3. Step 3: Cross multiply
    985,271.60x = 1,477,907.40 × 945,905.60
  4. Step 4: Simplify right side
    985,271.60x = 1,397,960,885,941.44
  5. Step 5: Solve for x
    x = 1,397,960,885,941.44/985,271.60
  6. Step 6: Final answer
    x = 1,418,858.40

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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.