Home / 1,308,728.80-1,963,222.80-455,669.20

Finding the Fourth Proportional to 1,308,728.80, 1,963,222.80 and 455,669.20

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Solution

The fourth proportional to 1,308,728.80, 1,963,222.80 and 455,669.20 is: 683,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,728.80 : 1,963,222.80 = 455,669.20 : x
  2. Step 2: Convert to fraction form
    1,308,728.80/1,963,222.80 = 455,669.20/x
  3. Step 3: Cross multiply
    1,308,728.80x = 1,963,222.80 × 455,669.20
  4. Step 4: Simplify right side
    1,308,728.80x = 894,580,162,697.76
  5. Step 5: Solve for x
    x = 894,580,162,697.76/1,308,728.80
  6. Step 6: Final answer
    x = 683,548.92

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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.