Home / 1,291,029.27-1,781,595.57-710,218.45

Finding the Fourth Proportional to 1,291,029.27, 1,781,595.57 and 710,218.45

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Solution

The fourth proportional to 1,291,029.27, 1,781,595.57 and 710,218.45 is: 980,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,029.27 : 1,781,595.57 = 710,218.45 : x
  2. Step 2: Convert to fraction form
    1,291,029.27/1,781,595.57 = 710,218.45/x
  3. Step 3: Cross multiply
    1,291,029.27x = 1,781,595.57 × 710,218.45
  4. Step 4: Simplify right side
    1,291,029.27x = 1,265,322,044,252.27
  5. Step 5: Solve for x
    x = 1,265,322,044,252.27/1,291,029.27
  6. Step 6: Final answer
    x = 980,087.81

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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.