Home / 1,076,716.80-1,616,630.40-812,332.80

Finding the Fourth Proportional to 1,076,716.80, 1,616,630.40 and 812,332.80

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Solution

The fourth proportional to 1,076,716.80, 1,616,630.40 and 812,332.80 is: 1,219,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,716.80 : 1,616,630.40 = 812,332.80 : x
  2. Step 2: Convert to fraction form
    1,076,716.80/1,616,630.40 = 812,332.80/x
  3. Step 3: Cross multiply
    1,076,716.80x = 1,616,630.40 × 812,332.80
  4. Step 4: Simplify right side
    1,076,716.80x = 1,313,241,899,397.12
  5. Step 5: Solve for x
    x = 1,313,241,899,397.12/1,076,716.80
  6. Step 6: Final answer
    x = 1,219,672.53

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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.