Home / 1,372,168.47-1,893,603.69-760,331.45

Finding the Fourth Proportional to 1,372,168.47, 1,893,603.69 and 760,331.45

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Solution

The fourth proportional to 1,372,168.47, 1,893,603.69 and 760,331.45 is: 1,049,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,168.47 : 1,893,603.69 = 760,331.45 : x
  2. Step 2: Convert to fraction form
    1,372,168.47/1,893,603.69 = 760,331.45/x
  3. Step 3: Cross multiply
    1,372,168.47x = 1,893,603.69 × 760,331.45
  4. Step 4: Simplify right side
    1,372,168.47x = 1,439,766,429,875.03
  5. Step 5: Solve for x
    x = 1,439,766,429,875.03/1,372,168.47
  6. Step 6: Final answer
    x = 1,049,263.60

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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.