Home / 1,210,368.70-1,815,553.05-323,904.70

Finding the Fourth Proportional to 1,210,368.70, 1,815,553.05 and 323,904.70

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Solution

The fourth proportional to 1,210,368.70, 1,815,553.05 and 323,904.70 is: 485,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,368.70 : 1,815,553.05 = 323,904.70 : x
  2. Step 2: Convert to fraction form
    1,210,368.70/1,815,553.05 = 323,904.70/x
  3. Step 3: Cross multiply
    1,210,368.70x = 1,815,553.05 × 323,904.70
  4. Step 4: Simplify right side
    1,210,368.70x = 588,066,165,994.34
  5. Step 5: Solve for x
    x = 588,066,165,994.34/1,210,368.70
  6. Step 6: Final answer
    x = 485,857.05

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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.