Home / 1,210,246.80-1,815,370.20-368,840.40

Finding the Fourth Proportional to 1,210,246.80, 1,815,370.20 and 368,840.40

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Solution

The fourth proportional to 1,210,246.80, 1,815,370.20 and 368,840.40 is: 553,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,246.80 : 1,815,370.20 = 368,840.40 : x
  2. Step 2: Convert to fraction form
    1,210,246.80/1,815,370.20 = 368,840.40/x
  3. Step 3: Cross multiply
    1,210,246.80x = 1,815,370.20 × 368,840.40
  4. Step 4: Simplify right side
    1,210,246.80x = 669,581,870,716.08
  5. Step 5: Solve for x
    x = 669,581,870,716.08/1,210,246.80
  6. Step 6: Final answer
    x = 553,260.60

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Double scale
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Similar ratio
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1.5x scale

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.