Home / 1,123,653.70-1,685,480.55-745,740.10

Finding the Fourth Proportional to 1,123,653.70, 1,685,480.55 and 745,740.10

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Solution

The fourth proportional to 1,123,653.70, 1,685,480.55 and 745,740.10 is: 1,118,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,653.70 : 1,685,480.55 = 745,740.10 : x
  2. Step 2: Convert to fraction form
    1,123,653.70/1,685,480.55 = 745,740.10/x
  3. Step 3: Cross multiply
    1,123,653.70x = 1,685,480.55 × 745,740.10
  4. Step 4: Simplify right side
    1,123,653.70x = 1,256,930,433,905.06
  5. Step 5: Solve for x
    x = 1,256,930,433,905.06/1,123,653.70
  6. Step 6: Final answer
    x = 1,118,610.15

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Similar ratio
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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.