Home / 1,292,744.84-1,938,754.38-493,475.72

Finding the Fourth Proportional to 1,292,744.84, 1,938,754.38 and 493,475.72

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Solution

The fourth proportional to 1,292,744.84, 1,938,754.38 and 493,475.72 is: 740,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,744.84 : 1,938,754.38 = 493,475.72 : x
  2. Step 2: Convert to fraction form
    1,292,744.84/1,938,754.38 = 493,475.72/x
  3. Step 3: Cross multiply
    1,292,744.84x = 1,938,754.38 × 493,475.72
  4. Step 4: Simplify right side
    1,292,744.84x = 956,728,213,573.65
  5. Step 5: Solve for x
    x = 956,728,213,573.65/1,292,744.84
  6. Step 6: Final answer
    x = 740,075.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.