Home / 1,786,811.52-2,465,823.92-971,031.36

Finding the Fourth Proportional to 1,786,811.52, 2,465,823.92 and 971,031.36

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Solution

The fourth proportional to 1,786,811.52, 2,465,823.92 and 971,031.36 is: 1,340,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,811.52 : 2,465,823.92 = 971,031.36 : x
  2. Step 2: Convert to fraction form
    1,786,811.52/2,465,823.92 = 971,031.36/x
  3. Step 3: Cross multiply
    1,786,811.52x = 2,465,823.92 × 971,031.36
  4. Step 4: Simplify right side
    1,786,811.52x = 2,394,392,349,702.97
  5. Step 5: Solve for x
    x = 2,394,392,349,702.97/1,786,811.52
  6. Step 6: Final answer
    x = 1,340,036.33

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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.