Home / 890,152.68-1,336,985.10-764,816.52

Finding the Fourth Proportional to 890,152.68, 1,336,985.10 and 764,816.52

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Solution

The fourth proportional to 890,152.68, 1,336,985.10 and 764,816.52 is: 1,148,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,152.68 : 1,336,985.10 = 764,816.52 : x
  2. Step 2: Convert to fraction form
    890,152.68/1,336,985.10 = 764,816.52/x
  3. Step 3: Cross multiply
    890,152.68x = 1,336,985.10 × 764,816.52
  4. Step 4: Simplify right side
    890,152.68x = 1,022,548,291,473.85
  5. Step 5: Solve for x
    x = 1,022,548,291,473.85/890,152.68
  6. Step 6: Final answer
    x = 1,148,733.60

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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.