Home / 1,380,528.15-2,070,933.65-528,316.56

Finding the Fourth Proportional to 1,380,528.15, 2,070,933.65 and 528,316.56

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Solution

The fourth proportional to 1,380,528.15, 2,070,933.65 and 528,316.56 is: 792,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,528.15 : 2,070,933.65 = 528,316.56 : x
  2. Step 2: Convert to fraction form
    1,380,528.15/2,070,933.65 = 528,316.56/x
  3. Step 3: Cross multiply
    1,380,528.15x = 2,070,933.65 × 528,316.56
  4. Step 4: Simplify right side
    1,380,528.15x = 1,094,108,539,314.66
  5. Step 5: Solve for x
    x = 1,094,108,539,314.66/1,380,528.15
  6. Step 6: Final answer
    x = 792,528.96

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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.