Home / 1,210,460.76-1,815,691.14-369,005.22

Finding the Fourth Proportional to 1,210,460.76, 1,815,691.14 and 369,005.22

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Solution

The fourth proportional to 1,210,460.76, 1,815,691.14 and 369,005.22 is: 553,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,460.76 : 1,815,691.14 = 369,005.22 : x
  2. Step 2: Convert to fraction form
    1,210,460.76/1,815,691.14 = 369,005.22/x
  3. Step 3: Cross multiply
    1,210,460.76x = 1,815,691.14 × 369,005.22
  4. Step 4: Simplify right side
    1,210,460.76x = 669,999,508,567.75
  5. Step 5: Solve for x
    x = 669,999,508,567.75/1,210,460.76
  6. Step 6: Final answer
    x = 553,507.83

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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.