Home / 1,384,026.30-2,076,039.45-1,330,882.20

Finding the Fourth Proportional to 1,384,026.30, 2,076,039.45 and 1,330,882.20

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Solution

The fourth proportional to 1,384,026.30, 2,076,039.45 and 1,330,882.20 is: 1,996,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,026.30 : 2,076,039.45 = 1,330,882.20 : x
  2. Step 2: Convert to fraction form
    1,384,026.30/2,076,039.45 = 1,330,882.20/x
  3. Step 3: Cross multiply
    1,384,026.30x = 2,076,039.45 × 1,330,882.20
  4. Step 4: Simplify right side
    1,384,026.30x = 2,762,963,950,502.79
  5. Step 5: Solve for x
    x = 2,762,963,950,502.79/1,384,026.30
  6. Step 6: Final answer
    x = 1,996,323.30

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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.