Home / 1,215,516.96-1,677,412.84-671,648

Finding the Fourth Proportional to 1,215,516.96, 1,677,412.84 and 671,648

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Solution

The fourth proportional to 1,215,516.96, 1,677,412.84 and 671,648 is: 926,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,516.96 : 1,677,412.84 = 671,648 : x
  2. Step 2: Convert to fraction form
    1,215,516.96/1,677,412.84 = 671,648/x
  3. Step 3: Cross multiply
    1,215,516.96x = 1,677,412.84 × 671,648
  4. Step 4: Simplify right side
    1,215,516.96x = 1,126,630,979,160.32
  5. Step 5: Solve for x
    x = 1,126,630,979,160.32/1,215,516.96
  6. Step 6: Final answer
    x = 926,873.93

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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.