Home / 1,018,954.70-1,528,383.45-344,969.90

Finding the Fourth Proportional to 1,018,954.70, 1,528,383.45 and 344,969.90

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Solution

The fourth proportional to 1,018,954.70, 1,528,383.45 and 344,969.90 is: 517,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,954.70 : 1,528,383.45 = 344,969.90 : x
  2. Step 2: Convert to fraction form
    1,018,954.70/1,528,383.45 = 344,969.90/x
  3. Step 3: Cross multiply
    1,018,954.70x = 1,528,383.45 × 344,969.90
  4. Step 4: Simplify right side
    1,018,954.70x = 527,246,285,908.16
  5. Step 5: Solve for x
    x = 527,246,285,908.16/1,018,954.70
  6. Step 6: Final answer
    x = 517,438.40

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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.