Home / 1,210,125.18-1,815,800.13-500,662.38

Finding the Fourth Proportional to 1,210,125.18, 1,815,800.13 and 500,662.38

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Solution

The fourth proportional to 1,210,125.18, 1,815,800.13 and 500,662.38 is: 751,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,125.18 : 1,815,800.13 = 500,662.38 : x
  2. Step 2: Convert to fraction form
    1,210,125.18/1,815,800.13 = 500,662.38/x
  3. Step 3: Cross multiply
    1,210,125.18x = 1,815,800.13 × 500,662.38
  4. Step 4: Simplify right side
    1,210,125.18x = 909,102,814,690.11
  5. Step 5: Solve for x
    x = 909,102,814,690.11/1,210,125.18
  6. Step 6: Final answer
    x = 751,246.92

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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.