Home / 1,216,008.84-1,815,108.54-1,072,362.90

Finding the Fourth Proportional to 1,216,008.84, 1,815,108.54 and 1,072,362.90

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Solution

The fourth proportional to 1,216,008.84, 1,815,108.54 and 1,072,362.90 is: 1,600,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,008.84 : 1,815,108.54 = 1,072,362.90 : x
  2. Step 2: Convert to fraction form
    1,216,008.84/1,815,108.54 = 1,072,362.90/x
  3. Step 3: Cross multiply
    1,216,008.84x = 1,815,108.54 × 1,072,362.90
  4. Step 4: Simplify right side
    1,216,008.84x = 1,946,455,057,769.17
  5. Step 5: Solve for x
    x = 1,946,455,057,769.17/1,216,008.84
  6. Step 6: Final answer
    x = 1,600,691.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.