Home / 1,026,677.60-1,539,184.80-428,087.60

Finding the Fourth Proportional to 1,026,677.60, 1,539,184.80 and 428,087.60

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Solution

The fourth proportional to 1,026,677.60, 1,539,184.80 and 428,087.60 is: 641,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,677.60 : 1,539,184.80 = 428,087.60 : x
  2. Step 2: Convert to fraction form
    1,026,677.60/1,539,184.80 = 428,087.60/x
  3. Step 3: Cross multiply
    1,026,677.60x = 1,539,184.80 × 428,087.60
  4. Step 4: Simplify right side
    1,026,677.60x = 658,905,926,988.48
  5. Step 5: Solve for x
    x = 658,905,926,988.48/1,026,677.60
  6. Step 6: Final answer
    x = 641,784.65

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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.