Home / 1,256,951.12-1,885,430.48-310,321.92

Finding the Fourth Proportional to 1,256,951.12, 1,885,430.48 and 310,321.92

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Solution

The fourth proportional to 1,256,951.12, 1,885,430.48 and 310,321.92 is: 465,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,951.12 : 1,885,430.48 = 310,321.92 : x
  2. Step 2: Convert to fraction form
    1,256,951.12/1,885,430.48 = 310,321.92/x
  3. Step 3: Cross multiply
    1,256,951.12x = 1,885,430.48 × 310,321.92
  4. Step 4: Simplify right side
    1,256,951.12x = 585,090,406,580.12
  5. Step 5: Solve for x
    x = 585,090,406,580.12/1,256,951.12
  6. Step 6: Final answer
    x = 465,483.82

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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.