Home / 1,130,689.30-1,696,252.65-331,996.90

Finding the Fourth Proportional to 1,130,689.30, 1,696,252.65 and 331,996.90

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Solution

The fourth proportional to 1,130,689.30, 1,696,252.65 and 331,996.90 is: 498,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,689.30 : 1,696,252.65 = 331,996.90 : x
  2. Step 2: Convert to fraction form
    1,130,689.30/1,696,252.65 = 331,996.90/x
  3. Step 3: Cross multiply
    1,130,689.30x = 1,696,252.65 × 331,996.90
  4. Step 4: Simplify right side
    1,130,689.30x = 563,150,621,416.79
  5. Step 5: Solve for x
    x = 563,150,621,416.79/1,130,689.30
  6. Step 6: Final answer
    x = 498,059.57

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1.5x scale

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.