Home / 1,215,412.38-1,677,281.96-671,534.64

Finding the Fourth Proportional to 1,215,412.38, 1,677,281.96 and 671,534.64

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Solution

The fourth proportional to 1,215,412.38, 1,677,281.96 and 671,534.64 is: 926,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,412.38 : 1,677,281.96 = 671,534.64 : x
  2. Step 2: Convert to fraction form
    1,215,412.38/1,677,281.96 = 671,534.64/x
  3. Step 3: Cross multiply
    1,215,412.38x = 1,677,281.96 × 671,534.64
  4. Step 4: Simplify right side
    1,215,412.38x = 1,126,352,938,865.93
  5. Step 5: Solve for x
    x = 1,126,352,938,865.93/1,215,412.38
  6. Step 6: Final answer
    x = 926,724.92

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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.