Home / 1,316,491.28-1,974,805.29-418,003.37

Finding the Fourth Proportional to 1,316,491.28, 1,974,805.29 and 418,003.37

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Solution

The fourth proportional to 1,316,491.28, 1,974,805.29 and 418,003.37 is: 627,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,491.28 : 1,974,805.29 = 418,003.37 : x
  2. Step 2: Convert to fraction form
    1,316,491.28/1,974,805.29 = 418,003.37/x
  3. Step 3: Cross multiply
    1,316,491.28x = 1,974,805.29 × 418,003.37
  4. Step 4: Simplify right side
    1,316,491.28x = 825,475,254,349.78
  5. Step 5: Solve for x
    x = 825,475,254,349.78/1,316,491.28
  6. Step 6: Final answer
    x = 627,026.76

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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.