Home / 1,125,597.88-1,687,784.40-405,841.60

Finding the Fourth Proportional to 1,125,597.88, 1,687,784.40 and 405,841.60

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Solution

The fourth proportional to 1,125,597.88, 1,687,784.40 and 405,841.60 is: 608,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,597.88 : 1,687,784.40 = 405,841.60 : x
  2. Step 2: Convert to fraction form
    1,125,597.88/1,687,784.40 = 405,841.60/x
  3. Step 3: Cross multiply
    1,125,597.88x = 1,687,784.40 × 405,841.60
  4. Step 4: Simplify right side
    1,125,597.88x = 684,973,121,351.04
  5. Step 5: Solve for x
    x = 684,973,121,351.04/1,125,597.88
  6. Step 6: Final answer
    x = 608,541.59

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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.