Home / 1,123,627.80-1,685,441.70-745,714.20

Finding the Fourth Proportional to 1,123,627.80, 1,685,441.70 and 745,714.20

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Solution

The fourth proportional to 1,123,627.80, 1,685,441.70 and 745,714.20 is: 1,118,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,627.80 : 1,685,441.70 = 745,714.20 : x
  2. Step 2: Convert to fraction form
    1,123,627.80/1,685,441.70 = 745,714.20/x
  3. Step 3: Cross multiply
    1,123,627.80x = 1,685,441.70 × 745,714.20
  4. Step 4: Simplify right side
    1,123,627.80x = 1,256,857,808,962.14
  5. Step 5: Solve for x
    x = 1,256,857,808,962.14/1,123,627.80
  6. Step 6: Final answer
    x = 1,118,571.30

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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.