Home / 1,278,266.49-1,764,004.10-705,301.65

Finding the Fourth Proportional to 1,278,266.49, 1,764,004.10 and 705,301.65

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Solution

The fourth proportional to 1,278,266.49, 1,764,004.10 and 705,301.65 is: 973,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,266.49 : 1,764,004.10 = 705,301.65 : x
  2. Step 2: Convert to fraction form
    1,278,266.49/1,764,004.10 = 705,301.65/x
  3. Step 3: Cross multiply
    1,278,266.49x = 1,764,004.10 × 705,301.65
  4. Step 4: Simplify right side
    1,278,266.49x = 1,244,154,998,810.26
  5. Step 5: Solve for x
    x = 1,244,154,998,810.26/1,278,266.49
  6. Step 6: Final answer
    x = 973,314.26

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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.