Home / 1,803,750.12-2,705,625.45-455,916.60

Finding the Fourth Proportional to 1,803,750.12, 2,705,625.45 and 455,916.60

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Solution

The fourth proportional to 1,803,750.12, 2,705,625.45 and 455,916.60 is: 683,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,750.12 : 2,705,625.45 = 455,916.60 : x
  2. Step 2: Convert to fraction form
    1,803,750.12/2,705,625.45 = 455,916.60/x
  3. Step 3: Cross multiply
    1,803,750.12x = 2,705,625.45 × 455,916.60
  4. Step 4: Simplify right side
    1,803,750.12x = 1,233,539,556,037.47
  5. Step 5: Solve for x
    x = 1,233,539,556,037.47/1,803,750.12
  6. Step 6: Final answer
    x = 683,874.97

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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.