Home / 971,999.70-1,457,999.55-723,167.70

Finding the Fourth Proportional to 971,999.70, 1,457,999.55 and 723,167.70

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Solution

The fourth proportional to 971,999.70, 1,457,999.55 and 723,167.70 is: 1,084,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,999.70 : 1,457,999.55 = 723,167.70 : x
  2. Step 2: Convert to fraction form
    971,999.70/1,457,999.55 = 723,167.70/x
  3. Step 3: Cross multiply
    971,999.70x = 1,457,999.55 × 723,167.70
  4. Step 4: Simplify right side
    971,999.70x = 1,054,378,181,174.53
  5. Step 5: Solve for x
    x = 1,054,378,181,174.53/971,999.70
  6. Step 6: Final answer
    x = 1,084,751.55

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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.