Home / 1,308,485.80-1,962,858.30-455,426.20

Finding the Fourth Proportional to 1,308,485.80, 1,962,858.30 and 455,426.20

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Solution

The fourth proportional to 1,308,485.80, 1,962,858.30 and 455,426.20 is: 683,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,485.80 : 1,962,858.30 = 455,426.20 : x
  2. Step 2: Convert to fraction form
    1,308,485.80/1,962,858.30 = 455,426.20/x
  3. Step 3: Cross multiply
    1,308,485.80x = 1,962,858.30 × 455,426.20
  4. Step 4: Simplify right side
    1,308,485.80x = 893,937,096,707.46
  5. Step 5: Solve for x
    x = 893,937,096,707.46/1,308,485.80
  6. Step 6: Final answer
    x = 683,184.41

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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.