Home / 1,076,308.36-1,485,178.03-611,130.72

Finding the Fourth Proportional to 1,076,308.36, 1,485,178.03 and 611,130.72

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Solution

The fourth proportional to 1,076,308.36, 1,485,178.03 and 611,130.72 is: 843,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,308.36 : 1,485,178.03 = 611,130.72 : x
  2. Step 2: Convert to fraction form
    1,076,308.36/1,485,178.03 = 611,130.72/x
  3. Step 3: Cross multiply
    1,076,308.36x = 1,485,178.03 × 611,130.72
  4. Step 4: Simplify right side
    1,076,308.36x = 907,637,925,135.41
  5. Step 5: Solve for x
    x = 907,637,925,135.41/1,076,308.36
  6. Step 6: Final answer
    x = 843,288.00

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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.