Home / 1,295,998.35-1,788,478.84-723,038.64

Finding the Fourth Proportional to 1,295,998.35, 1,788,478.84 and 723,038.64

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Solution

The fourth proportional to 1,295,998.35, 1,788,478.84 and 723,038.64 is: 997,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,998.35 : 1,788,478.84 = 723,038.64 : x
  2. Step 2: Convert to fraction form
    1,295,998.35/1,788,478.84 = 723,038.64/x
  3. Step 3: Cross multiply
    1,295,998.35x = 1,788,478.84 × 723,038.64
  4. Step 4: Simplify right side
    1,295,998.35x = 1,293,139,308,142.38
  5. Step 5: Solve for x
    x = 1,293,139,308,142.38/1,295,998.35
  6. Step 6: Final answer
    x = 997,793.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.