Home / 954,320.40-1,431,480.60-907,664.40

Finding the Fourth Proportional to 954,320.40, 1,431,480.60 and 907,664.40

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Solution

The fourth proportional to 954,320.40, 1,431,480.60 and 907,664.40 is: 1,361,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,320.40 : 1,431,480.60 = 907,664.40 : x
  2. Step 2: Convert to fraction form
    954,320.40/1,431,480.60 = 907,664.40/x
  3. Step 3: Cross multiply
    954,320.40x = 1,431,480.60 × 907,664.40
  4. Step 4: Simplify right side
    954,320.40x = 1,299,303,979,910.64
  5. Step 5: Solve for x
    x = 1,299,303,979,910.64/954,320.40
  6. Step 6: Final answer
    x = 1,361,496.60

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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.