Home / 1,214,304.48-1,677,228.12-909,742.86

Finding the Fourth Proportional to 1,214,304.48, 1,677,228.12 and 909,742.86

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Solution

The fourth proportional to 1,214,304.48, 1,677,228.12 and 909,742.86 is: 1,256,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,304.48 : 1,677,228.12 = 909,742.86 : x
  2. Step 2: Convert to fraction form
    1,214,304.48/1,677,228.12 = 909,742.86/x
  3. Step 3: Cross multiply
    1,214,304.48x = 1,677,228.12 × 909,742.86
  4. Step 4: Simplify right side
    1,214,304.48x = 1,525,846,306,761.22
  5. Step 5: Solve for x
    x = 1,525,846,306,761.22/1,214,304.48
  6. Step 6: Final answer
    x = 1,256,559.89

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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.