Home / 1,246,276.20-1,870,335.90-825,412.20

Finding the Fourth Proportional to 1,246,276.20, 1,870,335.90 and 825,412.20

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Solution

The fourth proportional to 1,246,276.20, 1,870,335.90 and 825,412.20 is: 1,238,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,276.20 : 1,870,335.90 = 825,412.20 : x
  2. Step 2: Convert to fraction form
    1,246,276.20/1,870,335.90 = 825,412.20/x
  3. Step 3: Cross multiply
    1,246,276.20x = 1,870,335.90 × 825,412.20
  4. Step 4: Simplify right side
    1,246,276.20x = 1,543,798,069,957.98
  5. Step 5: Solve for x
    x = 1,543,798,069,957.98/1,246,276.20
  6. Step 6: Final answer
    x = 1,238,728.68

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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.