Home / 1,094,539.20-1,641,808.80-921,328.80

Finding the Fourth Proportional to 1,094,539.20, 1,641,808.80 and 921,328.80

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Solution

The fourth proportional to 1,094,539.20, 1,641,808.80 and 921,328.80 is: 1,381,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,539.20 : 1,641,808.80 = 921,328.80 : x
  2. Step 2: Convert to fraction form
    1,094,539.20/1,641,808.80 = 921,328.80/x
  3. Step 3: Cross multiply
    1,094,539.20x = 1,641,808.80 × 921,328.80
  4. Step 4: Simplify right side
    1,094,539.20x = 1,512,645,731,533.44
  5. Step 5: Solve for x
    x = 1,512,645,731,533.44/1,094,539.20
  6. Step 6: Final answer
    x = 1,381,993.20

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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.