Home / 1,175,609.16-1,763,913.06-642,507.42

Finding the Fourth Proportional to 1,175,609.16, 1,763,913.06 and 642,507.42

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Solution

The fourth proportional to 1,175,609.16, 1,763,913.06 and 642,507.42 is: 964,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,609.16 : 1,763,913.06 = 642,507.42 : x
  2. Step 2: Convert to fraction form
    1,175,609.16/1,763,913.06 = 642,507.42/x
  3. Step 3: Cross multiply
    1,175,609.16x = 1,763,913.06 × 642,507.42
  4. Step 4: Simplify right side
    1,175,609.16x = 1,133,327,229,284.91
  5. Step 5: Solve for x
    x = 1,133,327,229,284.91/1,175,609.16
  6. Step 6: Final answer
    x = 964,034.02

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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.