Home / 1,246,938-1,869,947.28-448,005.12

Finding the Fourth Proportional to 1,246,938, 1,869,947.28 and 448,005.12

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Solution

The fourth proportional to 1,246,938, 1,869,947.28 and 448,005.12 is: 671,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,938 : 1,869,947.28 = 448,005.12 : x
  2. Step 2: Convert to fraction form
    1,246,938/1,869,947.28 = 448,005.12/x
  3. Step 3: Cross multiply
    1,246,938x = 1,869,947.28 × 448,005.12
  4. Step 4: Simplify right side
    1,246,938x = 837,745,955,570.07
  5. Step 5: Solve for x
    x = 837,745,955,570.07/1,246,938
  6. Step 6: Final answer
    x = 671,842.51

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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.