Home / 1,575,128.70-2,359,971.45-731,951.10

Finding the Fourth Proportional to 1,575,128.70, 2,359,971.45 and 731,951.10

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Solution

The fourth proportional to 1,575,128.70, 2,359,971.45 and 731,951.10 is: 1,096,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,128.70 : 2,359,971.45 = 731,951.10 : x
  2. Step 2: Convert to fraction form
    1,575,128.70/2,359,971.45 = 731,951.10/x
  3. Step 3: Cross multiply
    1,575,128.70x = 2,359,971.45 × 731,951.10
  4. Step 4: Simplify right side
    1,575,128.70x = 1,727,383,698,796.10
  5. Step 5: Solve for x
    x = 1,727,383,698,796.10/1,575,128.70
  6. Step 6: Final answer
    x = 1,096,661.94

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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.