Home / 1,476,536.40-2,214,804.60-838,807.20

Finding the Fourth Proportional to 1,476,536.40, 2,214,804.60 and 838,807.20

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Solution

The fourth proportional to 1,476,536.40, 2,214,804.60 and 838,807.20 is: 1,258,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,536.40 : 2,214,804.60 = 838,807.20 : x
  2. Step 2: Convert to fraction form
    1,476,536.40/2,214,804.60 = 838,807.20/x
  3. Step 3: Cross multiply
    1,476,536.40x = 2,214,804.60 × 838,807.20
  4. Step 4: Simplify right side
    1,476,536.40x = 1,857,794,045,073.12
  5. Step 5: Solve for x
    x = 1,857,794,045,073.12/1,476,536.40
  6. Step 6: Final answer
    x = 1,258,210.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.