Home / 913,297.60-1,369,946.40-889,969.60

Finding the Fourth Proportional to 913,297.60, 1,369,946.40 and 889,969.60

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Solution

The fourth proportional to 913,297.60, 1,369,946.40 and 889,969.60 is: 1,334,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,297.60 : 1,369,946.40 = 889,969.60 : x
  2. Step 2: Convert to fraction form
    913,297.60/1,369,946.40 = 889,969.60/x
  3. Step 3: Cross multiply
    913,297.60x = 1,369,946.40 × 889,969.60
  4. Step 4: Simplify right side
    913,297.60x = 1,219,210,649,629.44
  5. Step 5: Solve for x
    x = 1,219,210,649,629.44/913,297.60
  6. Step 6: Final answer
    x = 1,334,954.40

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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.