Home / 1,408,547.88-2,112,989.49-448,666.49

Finding the Fourth Proportional to 1,408,547.88, 2,112,989.49 and 448,666.49

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Solution

The fourth proportional to 1,408,547.88, 2,112,989.49 and 448,666.49 is: 673,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,547.88 : 2,112,989.49 = 448,666.49 : x
  2. Step 2: Convert to fraction form
    1,408,547.88/2,112,989.49 = 448,666.49/x
  3. Step 3: Cross multiply
    1,408,547.88x = 2,112,989.49 × 448,666.49
  4. Step 4: Simplify right side
    1,408,547.88x = 948,027,583,167.66
  5. Step 5: Solve for x
    x = 948,027,583,167.66/1,408,547.88
  6. Step 6: Final answer
    x = 673,053.15

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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.