Home / 1,280,511.52-1,920,975.68-598,080.78

Finding the Fourth Proportional to 1,280,511.52, 1,920,975.68 and 598,080.78

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Solution

The fourth proportional to 1,280,511.52, 1,920,975.68 and 598,080.78 is: 897,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,511.52 : 1,920,975.68 = 598,080.78 : x
  2. Step 2: Convert to fraction form
    1,280,511.52/1,920,975.68 = 598,080.78/x
  3. Step 3: Cross multiply
    1,280,511.52x = 1,920,975.68 × 598,080.78
  4. Step 4: Simplify right side
    1,280,511.52x = 1,148,898,634,550.63
  5. Step 5: Solve for x
    x = 1,148,898,634,550.63/1,280,511.52
  6. Step 6: Final answer
    x = 897,218.51

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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.