Home / 906,021.60-1,359,907.20-551,727.60

Finding the Fourth Proportional to 906,021.60, 1,359,907.20 and 551,727.60

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Solution

The fourth proportional to 906,021.60, 1,359,907.20 and 551,727.60 is: 828,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,021.60 : 1,359,907.20 = 551,727.60 : x
  2. Step 2: Convert to fraction form
    906,021.60/1,359,907.20 = 551,727.60/x
  3. Step 3: Cross multiply
    906,021.60x = 1,359,907.20 × 551,727.60
  4. Step 4: Simplify right side
    906,021.60x = 750,298,335,678.72
  5. Step 5: Solve for x
    x = 750,298,335,678.72/906,021.60
  6. Step 6: Final answer
    x = 828,124.12

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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.