Home / 1,478,779.70-2,218,562.54-467,919.62

Finding the Fourth Proportional to 1,478,779.70, 2,218,562.54 and 467,919.62

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Solution

The fourth proportional to 1,478,779.70, 2,218,562.54 and 467,919.62 is: 702,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,779.70 : 2,218,562.54 = 467,919.62 : x
  2. Step 2: Convert to fraction form
    1,478,779.70/2,218,562.54 = 467,919.62/x
  3. Step 3: Cross multiply
    1,478,779.70x = 2,218,562.54 × 467,919.62
  4. Step 4: Simplify right side
    1,478,779.70x = 1,038,108,927,230.62
  5. Step 5: Solve for x
    x = 1,038,108,927,230.62/1,478,779.70
  6. Step 6: Final answer
    x = 702,003.77

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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.