Home / 1,292,962.16-1,939,748.52-406,498.16

Finding the Fourth Proportional to 1,292,962.16, 1,939,748.52 and 406,498.16

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Solution

The fourth proportional to 1,292,962.16, 1,939,748.52 and 406,498.16 is: 609,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,962.16 : 1,939,748.52 = 406,498.16 : x
  2. Step 2: Convert to fraction form
    1,292,962.16/1,939,748.52 = 406,498.16/x
  3. Step 3: Cross multiply
    1,292,962.16x = 1,939,748.52 × 406,498.16
  4. Step 4: Simplify right side
    1,292,962.16x = 788,504,204,242.72
  5. Step 5: Solve for x
    x = 788,504,204,242.72/1,292,962.16
  6. Step 6: Final answer
    x = 609,843.22

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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.