Home / 1,215,307.31-1,677,100.70-671,466.83

Finding the Fourth Proportional to 1,215,307.31, 1,677,100.70 and 671,466.83

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Solution

The fourth proportional to 1,215,307.31, 1,677,100.70 and 671,466.83 is: 926,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,307.31 : 1,677,100.70 = 671,466.83 : x
  2. Step 2: Convert to fraction form
    1,215,307.31/1,677,100.70 = 671,466.83/x
  3. Step 3: Cross multiply
    1,215,307.31x = 1,677,100.70 × 671,466.83
  4. Step 4: Simplify right side
    1,215,307.31x = 1,126,117,487,262.45
  5. Step 5: Solve for x
    x = 1,126,117,487,262.45/1,215,307.31
  6. Step 6: Final answer
    x = 926,611.30

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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.