Home / 1,323,219.61-1,984,947.82-513,585.05

Finding the Fourth Proportional to 1,323,219.61, 1,984,947.82 and 513,585.05

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Solution

The fourth proportional to 1,323,219.61, 1,984,947.82 and 513,585.05 is: 770,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,219.61 : 1,984,947.82 = 513,585.05 : x
  2. Step 2: Convert to fraction form
    1,323,219.61/1,984,947.82 = 513,585.05/x
  3. Step 3: Cross multiply
    1,323,219.61x = 1,984,947.82 × 513,585.05
  4. Step 4: Simplify right side
    1,323,219.61x = 1,019,439,514,173.39
  5. Step 5: Solve for x
    x = 1,019,439,514,173.39/1,323,219.61
  6. Step 6: Final answer
    x = 770,423.52

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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.