Home / 1,076,265-1,485,245.70-623,818.44

Finding the Fourth Proportional to 1,076,265, 1,485,245.70 and 623,818.44

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Solution

The fourth proportional to 1,076,265, 1,485,245.70 and 623,818.44 is: 860,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,265 : 1,485,245.70 = 623,818.44 : x
  2. Step 2: Convert to fraction form
    1,076,265/1,485,245.70 = 623,818.44/x
  3. Step 3: Cross multiply
    1,076,265x = 1,485,245.70 × 623,818.44
  4. Step 4: Simplify right side
    1,076,265x = 926,523,655,590.71
  5. Step 5: Solve for x
    x = 926,523,655,590.71/1,076,265
  6. Step 6: Final answer
    x = 860,869.45

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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.