Home / 1,011,495.50-1,517,243.28-263,541.50

Finding the Fourth Proportional to 1,011,495.50, 1,517,243.28 and 263,541.50

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Solution

The fourth proportional to 1,011,495.50, 1,517,243.28 and 263,541.50 is: 395,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,495.50 : 1,517,243.28 = 263,541.50 : x
  2. Step 2: Convert to fraction form
    1,011,495.50/1,517,243.28 = 263,541.50/x
  3. Step 3: Cross multiply
    1,011,495.50x = 1,517,243.28 × 263,541.50
  4. Step 4: Simplify right side
    1,011,495.50x = 399,856,569,876.12
  5. Step 5: Solve for x
    x = 399,856,569,876.12/1,011,495.50
  6. Step 6: Final answer
    x = 395,312.26

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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.