Home / 1,178,135.54-1,767,256.77-379,423.70

Finding the Fourth Proportional to 1,178,135.54, 1,767,256.77 and 379,423.70

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Solution

The fourth proportional to 1,178,135.54, 1,767,256.77 and 379,423.70 is: 569,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,135.54 : 1,767,256.77 = 379,423.70 : x
  2. Step 2: Convert to fraction form
    1,178,135.54/1,767,256.77 = 379,423.70/x
  3. Step 3: Cross multiply
    1,178,135.54x = 1,767,256.77 × 379,423.70
  4. Step 4: Simplify right side
    1,178,135.54x = 670,539,102,523.45
  5. Step 5: Solve for x
    x = 670,539,102,523.45/1,178,135.54
  6. Step 6: Final answer
    x = 569,152.77

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1.5x scale

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.