Home / 896,321.80-1,344,482.70-821,672.20

Finding the Fourth Proportional to 896,321.80, 1,344,482.70 and 821,672.20

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Solution

The fourth proportional to 896,321.80, 1,344,482.70 and 821,672.20 is: 1,232,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,321.80 : 1,344,482.70 = 821,672.20 : x
  2. Step 2: Convert to fraction form
    896,321.80/1,344,482.70 = 821,672.20/x
  3. Step 3: Cross multiply
    896,321.80x = 1,344,482.70 × 821,672.20
  4. Step 4: Simplify right side
    896,321.80x = 1,104,724,057,970.94
  5. Step 5: Solve for x
    x = 1,104,724,057,970.94/896,321.80
  6. Step 6: Final answer
    x = 1,232,508.30

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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.