Home / 1,292,316.80-1,938,327.77-345,760.52

Finding the Fourth Proportional to 1,292,316.80, 1,938,327.77 and 345,760.52

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Solution

The fourth proportional to 1,292,316.80, 1,938,327.77 and 345,760.52 is: 518,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,316.80 : 1,938,327.77 = 345,760.52 : x
  2. Step 2: Convert to fraction form
    1,292,316.80/1,938,327.77 = 345,760.52/x
  3. Step 3: Cross multiply
    1,292,316.80x = 1,938,327.77 × 345,760.52
  4. Step 4: Simplify right side
    1,292,316.80x = 670,197,208,858.40
  5. Step 5: Solve for x
    x = 670,197,208,858.40/1,292,316.80
  6. Step 6: Final answer
    x = 518,601.33

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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.