Home / 1,310,038.97-1,965,040.00-411,534.62

Finding the Fourth Proportional to 1,310,038.97, 1,965,040.00 and 411,534.62

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Solution

The fourth proportional to 1,310,038.97, 1,965,040.00 and 411,534.62 is: 617,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,038.97 : 1,965,040.00 = 411,534.62 : x
  2. Step 2: Convert to fraction form
    1,310,038.97/1,965,040.00 = 411,534.62/x
  3. Step 3: Cross multiply
    1,310,038.97x = 1,965,040.00 × 411,534.62
  4. Step 4: Simplify right side
    1,310,038.97x = 808,681,999,567.90
  5. Step 5: Solve for x
    x = 808,681,999,567.90/1,310,038.97
  6. Step 6: Final answer
    x = 617,296.14

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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.