Home / 1,365,838.76-1,884,808.09-753,978.38

Finding the Fourth Proportional to 1,365,838.76, 1,884,808.09 and 753,978.38

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Solution

The fourth proportional to 1,365,838.76, 1,884,808.09 and 753,978.38 is: 1,040,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,838.76 : 1,884,808.09 = 753,978.38 : x
  2. Step 2: Convert to fraction form
    1,365,838.76/1,884,808.09 = 753,978.38/x
  3. Step 3: Cross multiply
    1,365,838.76x = 1,884,808.09 × 753,978.38
  4. Step 4: Simplify right side
    1,365,838.76x = 1,421,104,546,539.20
  5. Step 5: Solve for x
    x = 1,421,104,546,539.20/1,365,838.76
  6. Step 6: Final answer
    x = 1,040,462.90

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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.