Home / 1,215,256.59-1,677,087.96-671,427.45

Finding the Fourth Proportional to 1,215,256.59, 1,677,087.96 and 671,427.45

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Solution

The fourth proportional to 1,215,256.59, 1,677,087.96 and 671,427.45 is: 926,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,256.59 : 1,677,087.96 = 671,427.45 : x
  2. Step 2: Convert to fraction form
    1,215,256.59/1,677,087.96 = 671,427.45/x
  3. Step 3: Cross multiply
    1,215,256.59x = 1,677,087.96 × 671,427.45
  4. Step 4: Simplify right side
    1,215,256.59x = 1,126,042,889,890.65
  5. Step 5: Solve for x
    x = 1,126,042,889,890.65/1,215,256.59
  6. Step 6: Final answer
    x = 926,588.59

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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.