Home / 1,246,276.80-1,869,415.20-404,913.60

Finding the Fourth Proportional to 1,246,276.80, 1,869,415.20 and 404,913.60

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Solution

The fourth proportional to 1,246,276.80, 1,869,415.20 and 404,913.60 is: 607,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,276.80 : 1,869,415.20 = 404,913.60 : x
  2. Step 2: Convert to fraction form
    1,246,276.80/1,869,415.20 = 404,913.60/x
  3. Step 3: Cross multiply
    1,246,276.80x = 1,869,415.20 × 404,913.60
  4. Step 4: Simplify right side
    1,246,276.80x = 756,951,638,526.72
  5. Step 5: Solve for x
    x = 756,951,638,526.72/1,246,276.80
  6. Step 6: Final answer
    x = 607,370.40

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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.