Home / 1,557,234-2,148,985.80-841,842

Finding the Fourth Proportional to 1,557,234, 2,148,985.80 and 841,842

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Solution

The fourth proportional to 1,557,234, 2,148,985.80 and 841,842 is: 1,161,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,234 : 2,148,985.80 = 841,842 : x
  2. Step 2: Convert to fraction form
    1,557,234/2,148,985.80 = 841,842/x
  3. Step 3: Cross multiply
    1,557,234x = 2,148,985.80 × 841,842
  4. Step 4: Simplify right side
    1,557,234x = 1,809,106,503,843.60
  5. Step 5: Solve for x
    x = 1,809,106,503,843.60/1,557,234
  6. Step 6: Final answer
    x = 1,161,743.52

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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.