Home / 1,038,698.40-1,558,047.60-814,749.60

Finding the Fourth Proportional to 1,038,698.40, 1,558,047.60 and 814,749.60

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Solution

The fourth proportional to 1,038,698.40, 1,558,047.60 and 814,749.60 is: 1,222,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,698.40 : 1,558,047.60 = 814,749.60 : x
  2. Step 2: Convert to fraction form
    1,038,698.40/1,558,047.60 = 814,749.60/x
  3. Step 3: Cross multiply
    1,038,698.40x = 1,558,047.60 × 814,749.60
  4. Step 4: Simplify right side
    1,038,698.40x = 1,269,418,658,880.96
  5. Step 5: Solve for x
    x = 1,269,418,658,880.96/1,038,698.40
  6. Step 6: Final answer
    x = 1,222,124.40

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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.