Home / 1,215,416.09-1,677,270.76-671,548.00

Finding the Fourth Proportional to 1,215,416.09, 1,677,270.76 and 671,548.00

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Solution

The fourth proportional to 1,215,416.09, 1,677,270.76 and 671,548.00 is: 926,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,416.09 : 1,677,270.76 = 671,548.00 : x
  2. Step 2: Convert to fraction form
    1,215,416.09/1,677,270.76 = 671,548.00/x
  3. Step 3: Cross multiply
    1,215,416.09x = 1,677,270.76 × 671,548.00
  4. Step 4: Simplify right side
    1,215,416.09x = 1,126,367,828,529.66
  5. Step 5: Solve for x
    x = 1,126,367,828,529.66/1,215,416.09
  6. Step 6: Final answer
    x = 926,734.34

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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.