Home / 1,411,866.32-1,948,390.71-767,286.64

Finding the Fourth Proportional to 1,411,866.32, 1,948,390.71 and 767,286.64

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Solution

The fourth proportional to 1,411,866.32, 1,948,390.71 and 767,286.64 is: 1,058,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,866.32 : 1,948,390.71 = 767,286.64 : x
  2. Step 2: Convert to fraction form
    1,411,866.32/1,948,390.71 = 767,286.64/x
  3. Step 3: Cross multiply
    1,411,866.32x = 1,948,390.71 × 767,286.64
  4. Step 4: Simplify right side
    1,411,866.32x = 1,494,974,160,841.28
  5. Step 5: Solve for x
    x = 1,494,974,160,841.28/1,411,866.32
  6. Step 6: Final answer
    x = 1,058,863.82

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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.