Home / 1,210,501.20-1,814,974.20-500,811.60

Finding the Fourth Proportional to 1,210,501.20, 1,814,974.20 and 500,811.60

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Solution

The fourth proportional to 1,210,501.20, 1,814,974.20 and 500,811.60 is: 750,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,501.20 : 1,814,974.20 = 500,811.60 : x
  2. Step 2: Convert to fraction form
    1,210,501.20/1,814,974.20 = 500,811.60/x
  3. Step 3: Cross multiply
    1,210,501.20x = 1,814,974.20 × 500,811.60
  4. Step 4: Simplify right side
    1,210,501.20x = 908,960,133,060.72
  5. Step 5: Solve for x
    x = 908,960,133,060.72/1,210,501.20
  6. Step 6: Final answer
    x = 750,895.69

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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.