Home / 1,426,816.42-2,142,359.43-1,235,283.18

Finding the Fourth Proportional to 1,426,816.42, 2,142,359.43 and 1,235,283.18

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Solution

The fourth proportional to 1,426,816.42, 2,142,359.43 and 1,235,283.18 is: 1,854,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,816.42 : 2,142,359.43 = 1,235,283.18 : x
  2. Step 2: Convert to fraction form
    1,426,816.42/2,142,359.43 = 1,235,283.18/x
  3. Step 3: Cross multiply
    1,426,816.42x = 2,142,359.43 × 1,235,283.18
  4. Step 4: Simplify right side
    1,426,816.42x = 2,646,420,581,751.85
  5. Step 5: Solve for x
    x = 2,646,420,581,751.85/1,426,816.42
  6. Step 6: Final answer
    x = 1,854,773.01

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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.