Home / 1,055,206.52-1,583,287.28-415,334.06

Finding the Fourth Proportional to 1,055,206.52, 1,583,287.28 and 415,334.06

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Solution

The fourth proportional to 1,055,206.52, 1,583,287.28 and 415,334.06 is: 623,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,206.52 : 1,583,287.28 = 415,334.06 : x
  2. Step 2: Convert to fraction form
    1,055,206.52/1,583,287.28 = 415,334.06/x
  3. Step 3: Cross multiply
    1,055,206.52x = 1,583,287.28 × 415,334.06
  4. Step 4: Simplify right side
    1,055,206.52x = 657,593,139,145.31
  5. Step 5: Solve for x
    x = 657,593,139,145.31/1,055,206.52
  6. Step 6: Final answer
    x = 623,189.04

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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.