Home / 1,211,508.60-1,817,246.70-370,064.40

Finding the Fourth Proportional to 1,211,508.60, 1,817,246.70 and 370,064.40

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Solution

The fourth proportional to 1,211,508.60, 1,817,246.70 and 370,064.40 is: 555,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,508.60 : 1,817,246.70 = 370,064.40 : x
  2. Step 2: Convert to fraction form
    1,211,508.60/1,817,246.70 = 370,064.40/x
  3. Step 3: Cross multiply
    1,211,508.60x = 1,817,246.70 × 370,064.40
  4. Step 4: Simplify right side
    1,211,508.60x = 672,498,309,687.48
  5. Step 5: Solve for x
    x = 672,498,309,687.48/1,211,508.60
  6. Step 6: Final answer
    x = 555,091.65

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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.