Home / 1,628,420.16-2,439,364.32-829,669.44

Finding the Fourth Proportional to 1,628,420.16, 2,439,364.32 and 829,669.44

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Solution

The fourth proportional to 1,628,420.16, 2,439,364.32 and 829,669.44 is: 1,242,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,420.16 : 2,439,364.32 = 829,669.44 : x
  2. Step 2: Convert to fraction form
    1,628,420.16/2,439,364.32 = 829,669.44/x
  3. Step 3: Cross multiply
    1,628,420.16x = 2,439,364.32 × 829,669.44
  4. Step 4: Simplify right side
    1,628,420.16x = 2,023,866,029,330.38
  5. Step 5: Solve for x
    x = 2,023,866,029,330.38/1,628,420.16
  6. Step 6: Final answer
    x = 1,242,840.20

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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.