Home / 1,318,359.78-1,975,279.43-885,265.40

Finding the Fourth Proportional to 1,318,359.78, 1,975,279.43 and 885,265.40

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Solution

The fourth proportional to 1,318,359.78, 1,975,279.43 and 885,265.40 is: 1,326,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,359.78 : 1,975,279.43 = 885,265.40 : x
  2. Step 2: Convert to fraction form
    1,318,359.78/1,975,279.43 = 885,265.40/x
  3. Step 3: Cross multiply
    1,318,359.78x = 1,975,279.43 × 885,265.40
  4. Step 4: Simplify right side
    1,318,359.78x = 1,748,646,541,862.08
  5. Step 5: Solve for x
    x = 1,748,646,541,862.08/1,318,359.78
  6. Step 6: Final answer
    x = 1,326,380.38

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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.