Home / 1,276,330.35-1,761,423.02-779,826.84

Finding the Fourth Proportional to 1,276,330.35, 1,761,423.02 and 779,826.84

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Solution

The fourth proportional to 1,276,330.35, 1,761,423.02 and 779,826.84 is: 1,076,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,330.35 : 1,761,423.02 = 779,826.84 : x
  2. Step 2: Convert to fraction form
    1,276,330.35/1,761,423.02 = 779,826.84/x
  3. Step 3: Cross multiply
    1,276,330.35x = 1,761,423.02 × 779,826.84
  4. Step 4: Simplify right side
    1,276,330.35x = 1,373,604,947,589.86
  5. Step 5: Solve for x
    x = 1,373,604,947,589.86/1,276,330.35
  6. Step 6: Final answer
    x = 1,076,214.28

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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.