Home / 1,246,943.60-1,870,415.40-448,251.20

Finding the Fourth Proportional to 1,246,943.60, 1,870,415.40 and 448,251.20

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Solution

The fourth proportional to 1,246,943.60, 1,870,415.40 and 448,251.20 is: 672,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,943.60 : 1,870,415.40 = 448,251.20 : x
  2. Step 2: Convert to fraction form
    1,246,943.60/1,870,415.40 = 448,251.20/x
  3. Step 3: Cross multiply
    1,246,943.60x = 1,870,415.40 × 448,251.20
  4. Step 4: Simplify right side
    1,246,943.60x = 838,415,947,548.48
  5. Step 5: Solve for x
    x = 838,415,947,548.48/1,246,943.60
  6. Step 6: Final answer
    x = 672,376.80

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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.