Home / 1,310,040.47-1,965,042.26-411,536.13

Finding the Fourth Proportional to 1,310,040.47, 1,965,042.26 and 411,536.13

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Solution

The fourth proportional to 1,310,040.47, 1,965,042.26 and 411,536.13 is: 617,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,040.47 : 1,965,042.26 = 411,536.13 : x
  2. Step 2: Convert to fraction form
    1,310,040.47/1,965,042.26 = 411,536.13/x
  3. Step 3: Cross multiply
    1,310,040.47x = 1,965,042.26 × 411,536.13
  4. Step 4: Simplify right side
    1,310,040.47x = 808,685,884,909.17
  5. Step 5: Solve for x
    x = 808,685,884,909.17/1,310,040.47
  6. Step 6: Final answer
    x = 617,298.40

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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.