Home / 1,361,230.76-1,878,466.50-757,605.80

Finding the Fourth Proportional to 1,361,230.76, 1,878,466.50 and 757,605.80

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Solution

The fourth proportional to 1,361,230.76, 1,878,466.50 and 757,605.80 is: 1,045,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,230.76 : 1,878,466.50 = 757,605.80 : x
  2. Step 2: Convert to fraction form
    1,361,230.76/1,878,466.50 = 757,605.80/x
  3. Step 3: Cross multiply
    1,361,230.76x = 1,878,466.50 × 757,605.80
  4. Step 4: Simplify right side
    1,361,230.76x = 1,423,137,115,505.70
  5. Step 5: Solve for x
    x = 1,423,137,115,505.70/1,361,230.76
  6. Step 6: Final answer
    x = 1,045,478.22

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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.