Home / 1,787,137.36-2,466,274.52-971,340.80

Finding the Fourth Proportional to 1,787,137.36, 2,466,274.52 and 971,340.80

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Solution

The fourth proportional to 1,787,137.36, 2,466,274.52 and 971,340.80 is: 1,340,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,137.36 : 2,466,274.52 = 971,340.80 : x
  2. Step 2: Convert to fraction form
    1,787,137.36/2,466,274.52 = 971,340.80/x
  3. Step 3: Cross multiply
    1,787,137.36x = 2,466,274.52 × 971,340.80
  4. Step 4: Simplify right side
    1,787,137.36x = 2,395,593,055,373.40
  5. Step 5: Solve for x
    x = 2,395,593,055,373.40/1,787,137.36
  6. Step 6: Final answer
    x = 1,340,463.87

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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.