Home / 1,805,308.52-2,491,303.37-978,364.26

Finding the Fourth Proportional to 1,805,308.52, 2,491,303.37 and 978,364.26

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Solution

The fourth proportional to 1,805,308.52, 2,491,303.37 and 978,364.26 is: 1,350,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,308.52 : 2,491,303.37 = 978,364.26 : x
  2. Step 2: Convert to fraction form
    1,805,308.52/2,491,303.37 = 978,364.26/x
  3. Step 3: Cross multiply
    1,805,308.52x = 2,491,303.37 × 978,364.26
  4. Step 4: Simplify right side
    1,805,308.52x = 2,437,402,173,133.74
  5. Step 5: Solve for x
    x = 2,437,402,173,133.74/1,805,308.52
  6. Step 6: Final answer
    x = 1,350,130.55

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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.