Home / 1,385,802.38-1,913,727.94-1,310,326.32

Finding the Fourth Proportional to 1,385,802.38, 1,913,727.94 and 1,310,326.32

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Solution

The fourth proportional to 1,385,802.38, 1,913,727.94 and 1,310,326.32 is: 1,809,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,802.38 : 1,913,727.94 = 1,310,326.32 : x
  2. Step 2: Convert to fraction form
    1,385,802.38/1,913,727.94 = 1,310,326.32/x
  3. Step 3: Cross multiply
    1,385,802.38x = 1,913,727.94 × 1,310,326.32
  4. Step 4: Simplify right side
    1,385,802.38x = 2,507,608,089,101.38
  5. Step 5: Solve for x
    x = 2,507,608,089,101.38/1,385,802.38
  6. Step 6: Final answer
    x = 1,809,499.05

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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.