Home / 1,671,842.88-2,307,849.50-1,128,714.39

Finding the Fourth Proportional to 1,671,842.88, 2,307,849.50 and 1,128,714.39

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Solution

The fourth proportional to 1,671,842.88, 2,307,849.50 and 1,128,714.39 is: 1,558,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,842.88 : 2,307,849.50 = 1,128,714.39 : x
  2. Step 2: Convert to fraction form
    1,671,842.88/2,307,849.50 = 1,128,714.39/x
  3. Step 3: Cross multiply
    1,671,842.88x = 2,307,849.50 × 1,128,714.39
  4. Step 4: Simplify right side
    1,671,842.88x = 2,604,902,943,426.09
  5. Step 5: Solve for x
    x = 2,604,902,943,426.09/1,671,842.88
  6. Step 6: Final answer
    x = 1,558,102.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.