Home / 1,365,979.14-1,883,298.81-1,120,057.86

Finding the Fourth Proportional to 1,365,979.14, 1,883,298.81 and 1,120,057.86

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Solution

The fourth proportional to 1,365,979.14, 1,883,298.81 and 1,120,057.86 is: 1,544,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,979.14 : 1,883,298.81 = 1,120,057.86 : x
  2. Step 2: Convert to fraction form
    1,365,979.14/1,883,298.81 = 1,120,057.86/x
  3. Step 3: Cross multiply
    1,365,979.14x = 1,883,298.81 × 1,120,057.86
  4. Step 4: Simplify right side
    1,365,979.14x = 2,109,403,634,869.15
  5. Step 5: Solve for x
    x = 2,109,403,634,869.15/1,365,979.14
  6. Step 6: Final answer
    x = 1,544,242.93

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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.