Home / 972,600.30-1,460,540.70-812,511.90

Finding the Fourth Proportional to 972,600.30, 1,460,540.70 and 812,511.90

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Solution

The fourth proportional to 972,600.30, 1,460,540.70 and 812,511.90 is: 1,220,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,600.30 : 1,460,540.70 = 812,511.90 : x
  2. Step 2: Convert to fraction form
    972,600.30/1,460,540.70 = 812,511.90/x
  3. Step 3: Cross multiply
    972,600.30x = 1,460,540.70 × 812,511.90
  4. Step 4: Simplify right side
    972,600.30x = 1,186,706,699,184.33
  5. Step 5: Solve for x
    x = 1,186,706,699,184.33/972,600.30
  6. Step 6: Final answer
    x = 1,220,138.12

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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.