Home / 1,230,415.14-1,698,013.62-714,130.32

Finding the Fourth Proportional to 1,230,415.14, 1,698,013.62 and 714,130.32

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Solution

The fourth proportional to 1,230,415.14, 1,698,013.62 and 714,130.32 is: 985,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,415.14 : 1,698,013.62 = 714,130.32 : x
  2. Step 2: Convert to fraction form
    1,230,415.14/1,698,013.62 = 714,130.32/x
  3. Step 3: Cross multiply
    1,230,415.14x = 1,698,013.62 × 714,130.32
  4. Step 4: Simplify right side
    1,230,415.14x = 1,212,603,009,814.96
  5. Step 5: Solve for x
    x = 1,212,603,009,814.96/1,230,415.14
  6. Step 6: Final answer
    x = 985,523.48

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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.