Home / 1,329,615.60-1,993,127.40-760,412.40

Finding the Fourth Proportional to 1,329,615.60, 1,993,127.40 and 760,412.40

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Solution

The fourth proportional to 1,329,615.60, 1,993,127.40 and 760,412.40 is: 1,139,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,615.60 : 1,993,127.40 = 760,412.40 : x
  2. Step 2: Convert to fraction form
    1,329,615.60/1,993,127.40 = 760,412.40/x
  3. Step 3: Cross multiply
    1,329,615.60x = 1,993,127.40 × 760,412.40
  4. Step 4: Simplify right side
    1,329,615.60x = 1,515,598,789,739.76
  5. Step 5: Solve for x
    x = 1,515,598,789,739.76/1,329,615.60
  6. Step 6: Final answer
    x = 1,139,877.41

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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.