Home / 1,478,780.83-2,218,564.23-467,920.74

Finding the Fourth Proportional to 1,478,780.83, 2,218,564.23 and 467,920.74

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Solution

The fourth proportional to 1,478,780.83, 2,218,564.23 and 467,920.74 is: 702,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,780.83 : 2,218,564.23 = 467,920.74 : x
  2. Step 2: Convert to fraction form
    1,478,780.83/2,218,564.23 = 467,920.74/x
  3. Step 3: Cross multiply
    1,478,780.83x = 2,218,564.23 × 467,920.74
  4. Step 4: Simplify right side
    1,478,780.83x = 1,038,112,213,899.53
  5. Step 5: Solve for x
    x = 1,038,112,213,899.53/1,478,780.83
  6. Step 6: Final answer
    x = 702,005.46

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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.