Home / 1,215,783.60-1,821,707.10-1,144,924.80

Finding the Fourth Proportional to 1,215,783.60, 1,821,707.10 and 1,144,924.80

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Solution

The fourth proportional to 1,215,783.60, 1,821,707.10 and 1,144,924.80 is: 1,715,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,783.60 : 1,821,707.10 = 1,144,924.80 : x
  2. Step 2: Convert to fraction form
    1,215,783.60/1,821,707.10 = 1,144,924.80/x
  3. Step 3: Cross multiply
    1,215,783.60x = 1,821,707.10 × 1,144,924.80
  4. Step 4: Simplify right side
    1,215,783.60x = 2,085,717,637,126.08
  5. Step 5: Solve for x
    x = 2,085,717,637,126.08/1,215,783.60
  6. Step 6: Final answer
    x = 1,715,533.62

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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.