Home / 1,549,962.30-2,324,987.07-428,031.30

Finding the Fourth Proportional to 1,549,962.30, 2,324,987.07 and 428,031.30

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Solution

The fourth proportional to 1,549,962.30, 2,324,987.07 and 428,031.30 is: 642,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,962.30 : 2,324,987.07 = 428,031.30 : x
  2. Step 2: Convert to fraction form
    1,549,962.30/2,324,987.07 = 428,031.30/x
  3. Step 3: Cross multiply
    1,549,962.30x = 2,324,987.07 × 428,031.30
  4. Step 4: Simplify right side
    1,549,962.30x = 995,167,238,055.29
  5. Step 5: Solve for x
    x = 995,167,238,055.29/1,549,962.30
  6. Step 6: Final answer
    x = 642,059.00

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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.