Home / 1,019,389.63-1,529,077.58-345,945.05

Finding the Fourth Proportional to 1,019,389.63, 1,529,077.58 and 345,945.05

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Solution

The fourth proportional to 1,019,389.63, 1,529,077.58 and 345,945.05 is: 518,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,389.63 : 1,529,077.58 = 345,945.05 : x
  2. Step 2: Convert to fraction form
    1,019,389.63/1,529,077.58 = 345,945.05/x
  3. Step 3: Cross multiply
    1,019,389.63x = 1,529,077.58 × 345,945.05
  4. Step 4: Simplify right side
    1,019,389.63x = 528,976,820,850.76
  5. Step 5: Solve for x
    x = 528,976,820,850.76/1,019,389.63
  6. Step 6: Final answer
    x = 518,915.25

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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.