Home / 1,260,827.20-1,740,075.54-771,083.21

Finding the Fourth Proportional to 1,260,827.20, 1,740,075.54 and 771,083.21

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Solution

The fourth proportional to 1,260,827.20, 1,740,075.54 and 771,083.21 is: 1,064,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,827.20 : 1,740,075.54 = 771,083.21 : x
  2. Step 2: Convert to fraction form
    1,260,827.20/1,740,075.54 = 771,083.21/x
  3. Step 3: Cross multiply
    1,260,827.20x = 1,740,075.54 × 771,083.21
  4. Step 4: Simplify right side
    1,260,827.20x = 1,341,743,033,025.68
  5. Step 5: Solve for x
    x = 1,341,743,033,025.68/1,260,827.20
  6. Step 6: Final answer
    x = 1,064,176.78

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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.