Home / 1,549,963.30-2,324,988.57-428,032.30

Finding the Fourth Proportional to 1,549,963.30, 2,324,988.57 and 428,032.30

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Solution

The fourth proportional to 1,549,963.30, 2,324,988.57 and 428,032.30 is: 642,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,963.30 : 2,324,988.57 = 428,032.30 : x
  2. Step 2: Convert to fraction form
    1,549,963.30/2,324,988.57 = 428,032.30/x
  3. Step 3: Cross multiply
    1,549,963.30x = 2,324,988.57 × 428,032.30
  4. Step 4: Simplify right side
    1,549,963.30x = 995,170,205,090.81
  5. Step 5: Solve for x
    x = 995,170,205,090.81/1,549,963.30
  6. Step 6: Final answer
    x = 642,060.50

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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.