Home / 1,348,511.30-1,861,002.03-775,551.86

Finding the Fourth Proportional to 1,348,511.30, 1,861,002.03 and 775,551.86

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Solution

The fourth proportional to 1,348,511.30, 1,861,002.03 and 775,551.86 is: 1,070,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,511.30 : 1,861,002.03 = 775,551.86 : x
  2. Step 2: Convert to fraction form
    1,348,511.30/1,861,002.03 = 775,551.86/x
  3. Step 3: Cross multiply
    1,348,511.30x = 1,861,002.03 × 775,551.86
  4. Step 4: Simplify right side
    1,348,511.30x = 1,443,303,585,830.28
  5. Step 5: Solve for x
    x = 1,443,303,585,830.28/1,348,511.30
  6. Step 6: Final answer
    x = 1,070,294.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.