Home / 748,936.40-1,123,404.60-712,072.40

Finding the Fourth Proportional to 748,936.40, 1,123,404.60 and 712,072.40

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Solution

The fourth proportional to 748,936.40, 1,123,404.60 and 712,072.40 is: 1,068,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,936.40 : 1,123,404.60 = 712,072.40 : x
  2. Step 2: Convert to fraction form
    748,936.40/1,123,404.60 = 712,072.40/x
  3. Step 3: Cross multiply
    748,936.40x = 1,123,404.60 × 712,072.40
  4. Step 4: Simplify right side
    748,936.40x = 799,945,409,693.04
  5. Step 5: Solve for x
    x = 799,945,409,693.04/748,936.40
  6. Step 6: Final answer
    x = 1,068,108.60

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1.5x scale

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.