Home / 1,787,128.73-2,466,262.64-971,332.17

Finding the Fourth Proportional to 1,787,128.73, 2,466,262.64 and 971,332.17

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Solution

The fourth proportional to 1,787,128.73, 2,466,262.64 and 971,332.17 is: 1,340,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,128.73 : 2,466,262.64 = 971,332.17 : x
  2. Step 2: Convert to fraction form
    1,787,128.73/2,466,262.64 = 971,332.17/x
  3. Step 3: Cross multiply
    1,787,128.73x = 2,466,262.64 × 971,332.17
  4. Step 4: Simplify right side
    1,787,128.73x = 2,395,560,237,044.47
  5. Step 5: Solve for x
    x = 2,395,560,237,044.47/1,787,128.73
  6. Step 6: Final answer
    x = 1,340,451.98

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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.