Home / 1,628,473.34-2,442,730.80-430,385.30

Finding the Fourth Proportional to 1,628,473.34, 2,442,730.80 and 430,385.30

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Solution

The fourth proportional to 1,628,473.34, 2,442,730.80 and 430,385.30 is: 645,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,473.34 : 2,442,730.80 = 430,385.30 : x
  2. Step 2: Convert to fraction form
    1,628,473.34/2,442,730.80 = 430,385.30/x
  3. Step 3: Cross multiply
    1,628,473.34x = 2,442,730.80 × 430,385.30
  4. Step 4: Simplify right side
    1,628,473.34x = 1,051,315,415,963.59
  5. Step 5: Solve for x
    x = 1,051,315,415,963.59/1,628,473.34
  6. Step 6: Final answer
    x = 645,583.44

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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.