Home / 1,478,780.70-2,218,564.04-467,920.62

Finding the Fourth Proportional to 1,478,780.70, 2,218,564.04 and 467,920.62

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Solution

The fourth proportional to 1,478,780.70, 2,218,564.04 and 467,920.62 is: 702,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,780.70 : 2,218,564.04 = 467,920.62 : x
  2. Step 2: Convert to fraction form
    1,478,780.70/2,218,564.04 = 467,920.62/x
  3. Step 3: Cross multiply
    1,478,780.70x = 2,218,564.04 × 467,920.62
  4. Step 4: Simplify right side
    1,478,780.70x = 1,038,111,861,106.50
  5. Step 5: Solve for x
    x = 1,038,111,861,106.50/1,478,780.70
  6. Step 6: Final answer
    x = 702,005.28

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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.