Home / 1,215,366.51-1,677,239.60-671,537.34

Finding the Fourth Proportional to 1,215,366.51, 1,677,239.60 and 671,537.34

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Solution

The fourth proportional to 1,215,366.51, 1,677,239.60 and 671,537.34 is: 926,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,366.51 : 1,677,239.60 = 671,537.34 : x
  2. Step 2: Convert to fraction form
    1,215,366.51/1,677,239.60 = 671,537.34/x
  3. Step 3: Cross multiply
    1,215,366.51x = 1,677,239.60 × 671,537.34
  4. Step 4: Simplify right side
    1,215,366.51x = 1,126,329,019,526.66
  5. Step 5: Solve for x
    x = 1,126,329,019,526.66/1,215,366.51
  6. Step 6: Final answer
    x = 926,740.21

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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.