Home / 1,640,428.88-2,460,772.17-442,333.17

Finding the Fourth Proportional to 1,640,428.88, 2,460,772.17 and 442,333.17

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Solution

The fourth proportional to 1,640,428.88, 2,460,772.17 and 442,333.17 is: 663,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,428.88 : 2,460,772.17 = 442,333.17 : x
  2. Step 2: Convert to fraction form
    1,640,428.88/2,460,772.17 = 442,333.17/x
  3. Step 3: Cross multiply
    1,640,428.88x = 2,460,772.17 × 442,333.17
  4. Step 4: Simplify right side
    1,640,428.88x = 1,088,481,154,603.88
  5. Step 5: Solve for x
    x = 1,088,481,154,603.88/1,640,428.88
  6. Step 6: Final answer
    x = 663,534.50

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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.