Home / 1,406,423.59-1,940,824.56-825,637.39

Finding the Fourth Proportional to 1,406,423.59, 1,940,824.56 and 825,637.39

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Solution

The fourth proportional to 1,406,423.59, 1,940,824.56 and 825,637.39 is: 1,139,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,423.59 : 1,940,824.56 = 825,637.39 : x
  2. Step 2: Convert to fraction form
    1,406,423.59/1,940,824.56 = 825,637.39/x
  3. Step 3: Cross multiply
    1,406,423.59x = 1,940,824.56 × 825,637.39
  4. Step 4: Simplify right side
    1,406,423.59x = 1,602,417,324,166.30
  5. Step 5: Solve for x
    x = 1,602,417,324,166.30/1,406,423.59
  6. Step 6: Final answer
    x = 1,139,356.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.