Home / 907,840.40-1,361,760.60-808,307.60

Finding the Fourth Proportional to 907,840.40, 1,361,760.60 and 808,307.60

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Solution

The fourth proportional to 907,840.40, 1,361,760.60 and 808,307.60 is: 1,212,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,840.40 : 1,361,760.60 = 808,307.60 : x
  2. Step 2: Convert to fraction form
    907,840.40/1,361,760.60 = 808,307.60/x
  3. Step 3: Cross multiply
    907,840.40x = 1,361,760.60 × 808,307.60
  4. Step 4: Simplify right side
    907,840.40x = 1,100,721,442,360.56
  5. Step 5: Solve for x
    x = 1,100,721,442,360.56/907,840.40
  6. Step 6: Final answer
    x = 1,212,461.40

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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.