Home / 1,330,449.78-1,997,095.54-572,666.58

Finding the Fourth Proportional to 1,330,449.78, 1,997,095.54 and 572,666.58

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Solution

The fourth proportional to 1,330,449.78, 1,997,095.54 and 572,666.58 is: 859,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,449.78 : 1,997,095.54 = 572,666.58 : x
  2. Step 2: Convert to fraction form
    1,330,449.78/1,997,095.54 = 572,666.58/x
  3. Step 3: Cross multiply
    1,330,449.78x = 1,997,095.54 × 572,666.58
  4. Step 4: Simplify right side
    1,330,449.78x = 1,143,669,872,825.05
  5. Step 5: Solve for x
    x = 1,143,669,872,825.05/1,330,449.78
  6. Step 6: Final answer
    x = 859,611.46

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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.