Home / 1,430,552.48-2,145,400.56-470,830.86

Finding the Fourth Proportional to 1,430,552.48, 2,145,400.56 and 470,830.86

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Solution

The fourth proportional to 1,430,552.48, 2,145,400.56 and 470,830.86 is: 706,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,552.48 : 2,145,400.56 = 470,830.86 : x
  2. Step 2: Convert to fraction form
    1,430,552.48/2,145,400.56 = 470,830.86/x
  3. Step 3: Cross multiply
    1,430,552.48x = 2,145,400.56 × 470,830.86
  4. Step 4: Simplify right side
    1,430,552.48x = 1,010,120,790,709.28
  5. Step 5: Solve for x
    x = 1,010,120,790,709.28/1,430,552.48
  6. Step 6: Final answer
    x = 706,105.37

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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.