Home / 1,268,783.10-1,903,177.53-427,925.34

Finding the Fourth Proportional to 1,268,783.10, 1,903,177.53 and 427,925.34

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Solution

The fourth proportional to 1,268,783.10, 1,903,177.53 and 427,925.34 is: 641,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,783.10 : 1,903,177.53 = 427,925.34 : x
  2. Step 2: Convert to fraction form
    1,268,783.10/1,903,177.53 = 427,925.34/x
  3. Step 3: Cross multiply
    1,268,783.10x = 1,903,177.53 × 427,925.34
  4. Step 4: Simplify right side
    1,268,783.10x = 814,417,891,605.61
  5. Step 5: Solve for x
    x = 814,417,891,605.61/1,268,783.10
  6. Step 6: Final answer
    x = 641,888.98

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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.