Home / 1,284,738.98-1,772,892.77-740,897.69

Finding the Fourth Proportional to 1,284,738.98, 1,772,892.77 and 740,897.69

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Solution

The fourth proportional to 1,284,738.98, 1,772,892.77 and 740,897.69 is: 1,022,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,738.98 : 1,772,892.77 = 740,897.69 : x
  2. Step 2: Convert to fraction form
    1,284,738.98/1,772,892.77 = 740,897.69/x
  3. Step 3: Cross multiply
    1,284,738.98x = 1,772,892.77 × 740,897.69
  4. Step 4: Simplify right side
    1,284,738.98x = 1,313,532,145,341.75
  5. Step 5: Solve for x
    x = 1,313,532,145,341.75/1,284,738.98
  6. Step 6: Final answer
    x = 1,022,411.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.