Home / 1,278,349.68-1,764,070.98-705,382.40

Finding the Fourth Proportional to 1,278,349.68, 1,764,070.98 and 705,382.40

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Solution

The fourth proportional to 1,278,349.68, 1,764,070.98 and 705,382.40 is: 973,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,349.68 : 1,764,070.98 = 705,382.40 : x
  2. Step 2: Convert to fraction form
    1,278,349.68/1,764,070.98 = 705,382.40/x
  3. Step 3: Cross multiply
    1,278,349.68x = 1,764,070.98 × 705,382.40
  4. Step 4: Simplify right side
    1,278,349.68x = 1,244,344,621,642.75
  5. Step 5: Solve for x
    x = 1,244,344,621,642.75/1,278,349.68
  6. Step 6: Final answer
    x = 973,399.25

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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.