Home / 1,019,752.20-1,529,579.70-345,767.40

Finding the Fourth Proportional to 1,019,752.20, 1,529,579.70 and 345,767.40

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Solution

The fourth proportional to 1,019,752.20, 1,529,579.70 and 345,767.40 is: 518,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,752.20 : 1,529,579.70 = 345,767.40 : x
  2. Step 2: Convert to fraction form
    1,019,752.20/1,529,579.70 = 345,767.40/x
  3. Step 3: Cross multiply
    1,019,752.20x = 1,529,579.70 × 345,767.40
  4. Step 4: Simplify right side
    1,019,752.20x = 528,878,795,961.78
  5. Step 5: Solve for x
    x = 528,878,795,961.78/1,019,752.20
  6. Step 6: Final answer
    x = 518,634.62

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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.