Home / 1,149,622.34-1,586,479.30-666,467.53

Finding the Fourth Proportional to 1,149,622.34, 1,586,479.30 and 666,467.53

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Solution

The fourth proportional to 1,149,622.34, 1,586,479.30 and 666,467.53 is: 919,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,622.34 : 1,586,479.30 = 666,467.53 : x
  2. Step 2: Convert to fraction form
    1,149,622.34/1,586,479.30 = 666,467.53/x
  3. Step 3: Cross multiply
    1,149,622.34x = 1,586,479.30 × 666,467.53
  4. Step 4: Simplify right side
    1,149,622.34x = 1,057,336,934,834.76
  5. Step 5: Solve for x
    x = 1,057,336,934,834.76/1,149,622.34
  6. Step 6: Final answer
    x = 919,725.46

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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.