Home / 1,006,621.16-1,389,137.18-553,912.16

Finding the Fourth Proportional to 1,006,621.16, 1,389,137.18 and 553,912.16

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Solution

The fourth proportional to 1,006,621.16, 1,389,137.18 and 553,912.16 is: 764,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,621.16 : 1,389,137.18 = 553,912.16 : x
  2. Step 2: Convert to fraction form
    1,006,621.16/1,389,137.18 = 553,912.16/x
  3. Step 3: Cross multiply
    1,006,621.16x = 1,389,137.18 × 553,912.16
  4. Step 4: Simplify right side
    1,006,621.16x = 769,459,966,194.86
  5. Step 5: Solve for x
    x = 769,459,966,194.86/1,006,621.16
  6. Step 6: Final answer
    x = 764,398.76

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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.