Home / 1,255,276.70-1,882,915.05-402,346.70

Finding the Fourth Proportional to 1,255,276.70, 1,882,915.05 and 402,346.70

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Solution

The fourth proportional to 1,255,276.70, 1,882,915.05 and 402,346.70 is: 603,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,276.70 : 1,882,915.05 = 402,346.70 : x
  2. Step 2: Convert to fraction form
    1,255,276.70/1,882,915.05 = 402,346.70/x
  3. Step 3: Cross multiply
    1,255,276.70x = 1,882,915.05 × 402,346.70
  4. Step 4: Simplify right side
    1,255,276.70x = 757,584,656,747.84
  5. Step 5: Solve for x
    x = 757,584,656,747.84/1,255,276.70
  6. Step 6: Final answer
    x = 603,520.05

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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.