Home / 1,608,239.04-2,219,569.80-919,815.42

Finding the Fourth Proportional to 1,608,239.04, 2,219,569.80 and 919,815.42

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Solution

The fourth proportional to 1,608,239.04, 2,219,569.80 and 919,815.42 is: 1,269,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,239.04 : 2,219,569.80 = 919,815.42 : x
  2. Step 2: Convert to fraction form
    1,608,239.04/2,219,569.80 = 919,815.42/x
  3. Step 3: Cross multiply
    1,608,239.04x = 2,219,569.80 × 919,815.42
  4. Step 4: Simplify right side
    1,608,239.04x = 2,041,594,520,195.32
  5. Step 5: Solve for x
    x = 2,041,594,520,195.32/1,608,239.04
  6. Step 6: Final answer
    x = 1,269,459.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.