Home / 945,808.40-1,418,712.60-930,256.40

Finding the Fourth Proportional to 945,808.40, 1,418,712.60 and 930,256.40

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Solution

The fourth proportional to 945,808.40, 1,418,712.60 and 930,256.40 is: 1,395,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,808.40 : 1,418,712.60 = 930,256.40 : x
  2. Step 2: Convert to fraction form
    945,808.40/1,418,712.60 = 930,256.40/x
  3. Step 3: Cross multiply
    945,808.40x = 1,418,712.60 × 930,256.40
  4. Step 4: Simplify right side
    945,808.40x = 1,319,766,475,910.64
  5. Step 5: Solve for x
    x = 1,319,766,475,910.64/945,808.40
  6. Step 6: Final answer
    x = 1,395,384.60

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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.