Home / 1,785,495.21-2,464,135.35-1,011,263.78

Finding the Fourth Proportional to 1,785,495.21, 2,464,135.35 and 1,011,263.78

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Solution

The fourth proportional to 1,785,495.21, 2,464,135.35 and 1,011,263.78 is: 1,395,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,495.21 : 2,464,135.35 = 1,011,263.78 : x
  2. Step 2: Convert to fraction form
    1,785,495.21/2,464,135.35 = 1,011,263.78/x
  3. Step 3: Cross multiply
    1,785,495.21x = 2,464,135.35 × 1,011,263.78
  4. Step 4: Simplify right side
    1,785,495.21x = 2,491,890,816,151.95
  5. Step 5: Solve for x
    x = 2,491,890,816,151.95/1,785,495.21
  6. Step 6: Final answer
    x = 1,395,630.08

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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.