Home / 1,119,342.09-1,544,746.89-629,465.78

Finding the Fourth Proportional to 1,119,342.09, 1,544,746.89 and 629,465.78

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Solution

The fourth proportional to 1,119,342.09, 1,544,746.89 and 629,465.78 is: 868,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,342.09 : 1,544,746.89 = 629,465.78 : x
  2. Step 2: Convert to fraction form
    1,119,342.09/1,544,746.89 = 629,465.78/x
  3. Step 3: Cross multiply
    1,119,342.09x = 1,544,746.89 × 629,465.78
  4. Step 4: Simplify right side
    1,119,342.09x = 972,365,306,016.42
  5. Step 5: Solve for x
    x = 972,365,306,016.42/1,119,342.09
  6. Step 6: Final answer
    x = 868,693.60

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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.