Home / 1,230,412.14-1,698,009.48-714,127.32

Finding the Fourth Proportional to 1,230,412.14, 1,698,009.48 and 714,127.32

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Solution

The fourth proportional to 1,230,412.14, 1,698,009.48 and 714,127.32 is: 985,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,412.14 : 1,698,009.48 = 714,127.32 : x
  2. Step 2: Convert to fraction form
    1,230,412.14/1,698,009.48 = 714,127.32/x
  3. Step 3: Cross multiply
    1,230,412.14x = 1,698,009.48 × 714,127.32
  4. Step 4: Simplify right side
    1,230,412.14x = 1,212,594,959,286.99
  5. Step 5: Solve for x
    x = 1,212,594,959,286.99/1,230,412.14
  6. Step 6: Final answer
    x = 985,519.34

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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.