Home / 913,880.30-1,370,820.45-887,636.30

Finding the Fourth Proportional to 913,880.30, 1,370,820.45 and 887,636.30

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Solution

The fourth proportional to 913,880.30, 1,370,820.45 and 887,636.30 is: 1,331,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,880.30 : 1,370,820.45 = 887,636.30 : x
  2. Step 2: Convert to fraction form
    913,880.30/1,370,820.45 = 887,636.30/x
  3. Step 3: Cross multiply
    913,880.30x = 1,370,820.45 × 887,636.30
  4. Step 4: Simplify right side
    913,880.30x = 1,216,789,992,202.34
  5. Step 5: Solve for x
    x = 1,216,789,992,202.34/913,880.30
  6. Step 6: Final answer
    x = 1,331,454.45

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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.