Home / 1,109,722.74-1,531,422.63-626,308.26

Finding the Fourth Proportional to 1,109,722.74, 1,531,422.63 and 626,308.26

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Solution

The fourth proportional to 1,109,722.74, 1,531,422.63 and 626,308.26 is: 864,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,722.74 : 1,531,422.63 = 626,308.26 : x
  2. Step 2: Convert to fraction form
    1,109,722.74/1,531,422.63 = 626,308.26/x
  3. Step 3: Cross multiply
    1,109,722.74x = 1,531,422.63 × 626,308.26
  4. Step 4: Simplify right side
    1,109,722.74x = 959,142,642,719.92
  5. Step 5: Solve for x
    x = 959,142,642,719.92/1,109,722.74
  6. Step 6: Final answer
    x = 864,308.36

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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.