Home / 912,861.80-1,367,324.40-912,861.80

Finding the Fourth Proportional to 912,861.80, 1,367,324.40 and 912,861.80

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Solution

The fourth proportional to 912,861.80, 1,367,324.40 and 912,861.80 is: 1,367,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,861.80 : 1,367,324.40 = 912,861.80 : x
  2. Step 2: Convert to fraction form
    912,861.80/1,367,324.40 = 912,861.80/x
  3. Step 3: Cross multiply
    912,861.80x = 1,367,324.40 × 912,861.80
  4. Step 4: Simplify right side
    912,861.80x = 1,248,178,212,967.92
  5. Step 5: Solve for x
    x = 1,248,178,212,967.92/912,861.80
  6. Step 6: Final answer
    x = 1,367,324.40

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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.