Home / 1,406,548.80-2,109,880.80-409,276.80

Finding the Fourth Proportional to 1,406,548.80, 2,109,880.80 and 409,276.80

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Solution

The fourth proportional to 1,406,548.80, 2,109,880.80 and 409,276.80 is: 613,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,548.80 : 2,109,880.80 = 409,276.80 : x
  2. Step 2: Convert to fraction form
    1,406,548.80/2,109,880.80 = 409,276.80/x
  3. Step 3: Cross multiply
    1,406,548.80x = 2,109,880.80 × 409,276.80
  4. Step 4: Simplify right side
    1,406,548.80x = 863,525,262,205.44
  5. Step 5: Solve for x
    x = 863,525,262,205.44/1,406,548.80
  6. Step 6: Final answer
    x = 613,931.96

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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.