Home / 1,419,036.80-2,128,814.40-577,673.60

Finding the Fourth Proportional to 1,419,036.80, 2,128,814.40 and 577,673.60

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Solution

The fourth proportional to 1,419,036.80, 2,128,814.40 and 577,673.60 is: 866,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,036.80 : 2,128,814.40 = 577,673.60 : x
  2. Step 2: Convert to fraction form
    1,419,036.80/2,128,814.40 = 577,673.60/x
  3. Step 3: Cross multiply
    1,419,036.80x = 2,128,814.40 × 577,673.60
  4. Step 4: Simplify right side
    1,419,036.80x = 1,229,759,878,179.84
  5. Step 5: Solve for x
    x = 1,229,759,878,179.84/1,419,036.80
  6. Step 6: Final answer
    x = 866,615.92

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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.