Home / 1,365,842.34-1,884,813.04-753,981.98

Finding the Fourth Proportional to 1,365,842.34, 1,884,813.04 and 753,981.98

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Solution

The fourth proportional to 1,365,842.34, 1,884,813.04 and 753,981.98 is: 1,040,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,842.34 : 1,884,813.04 = 753,981.98 : x
  2. Step 2: Convert to fraction form
    1,365,842.34/1,884,813.04 = 753,981.98/x
  3. Step 3: Cross multiply
    1,365,842.34x = 1,884,813.04 × 753,981.98
  4. Step 4: Simplify right side
    1,365,842.34x = 1,421,115,067,829.02
  5. Step 5: Solve for x
    x = 1,421,115,067,829.02/1,365,842.34
  6. Step 6: Final answer
    x = 1,040,467.87

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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.