Home / 1,418,646.80-2,128,066.20-577,213.20

Finding the Fourth Proportional to 1,418,646.80, 2,128,066.20 and 577,213.20

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Solution

The fourth proportional to 1,418,646.80, 2,128,066.20 and 577,213.20 is: 865,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,646.80 : 2,128,066.20 = 577,213.20 : x
  2. Step 2: Convert to fraction form
    1,418,646.80/2,128,066.20 = 577,213.20/x
  3. Step 3: Cross multiply
    1,418,646.80x = 2,128,066.20 × 577,213.20
  4. Step 4: Simplify right side
    1,418,646.80x = 1,228,347,901,113.84
  5. Step 5: Solve for x
    x = 1,228,347,901,113.84/1,418,646.80
  6. Step 6: Final answer
    x = 865,858.86

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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.