Home / 1,556,938.80-2,335,408.20-435,007.80

Finding the Fourth Proportional to 1,556,938.80, 2,335,408.20 and 435,007.80

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Solution

The fourth proportional to 1,556,938.80, 2,335,408.20 and 435,007.80 is: 652,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,938.80 : 2,335,408.20 = 435,007.80 : x
  2. Step 2: Convert to fraction form
    1,556,938.80/2,335,408.20 = 435,007.80/x
  3. Step 3: Cross multiply
    1,556,938.80x = 2,335,408.20 × 435,007.80
  4. Step 4: Simplify right side
    1,556,938.80x = 1,015,920,783,183.96
  5. Step 5: Solve for x
    x = 1,015,920,783,183.96/1,556,938.80
  6. Step 6: Final answer
    x = 652,511.70

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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.