Home / 1,261,075.62-1,740,326.34-688,147.23

Finding the Fourth Proportional to 1,261,075.62, 1,740,326.34 and 688,147.23

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Solution

The fourth proportional to 1,261,075.62, 1,740,326.34 and 688,147.23 is: 949,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,075.62 : 1,740,326.34 = 688,147.23 : x
  2. Step 2: Convert to fraction form
    1,261,075.62/1,740,326.34 = 688,147.23/x
  3. Step 3: Cross multiply
    1,261,075.62x = 1,740,326.34 × 688,147.23
  4. Step 4: Simplify right side
    1,261,075.62x = 1,197,600,750,167.04
  5. Step 5: Solve for x
    x = 1,197,600,750,167.04/1,261,075.62
  6. Step 6: Final answer
    x = 949,666.09

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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.