Home / 1,215,401.12-1,677,167.36-671,530.96

Finding the Fourth Proportional to 1,215,401.12, 1,677,167.36 and 671,530.96

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Solution

The fourth proportional to 1,215,401.12, 1,677,167.36 and 671,530.96 is: 926,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,401.12 : 1,677,167.36 = 671,530.96 : x
  2. Step 2: Convert to fraction form
    1,215,401.12/1,677,167.36 = 671,530.96/x
  3. Step 3: Cross multiply
    1,215,401.12x = 1,677,167.36 × 671,530.96
  4. Step 4: Simplify right side
    1,215,401.12x = 1,126,269,807,341.47
  5. Step 5: Solve for x
    x = 1,126,269,807,341.47/1,215,401.12
  6. Step 6: Final answer
    x = 926,665.11

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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.