Home / 1,408,155.71-2,112,398.46-448,275.02

Finding the Fourth Proportional to 1,408,155.71, 2,112,398.46 and 448,275.02

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Solution

The fourth proportional to 1,408,155.71, 2,112,398.46 and 448,275.02 is: 672,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,155.71 : 2,112,398.46 = 448,275.02 : x
  2. Step 2: Convert to fraction form
    1,408,155.71/2,112,398.46 = 448,275.02/x
  3. Step 3: Cross multiply
    1,408,155.71x = 2,112,398.46 × 448,275.02
  4. Step 4: Simplify right side
    1,408,155.71x = 946,935,451,342.48
  5. Step 5: Solve for x
    x = 946,935,451,342.48/1,408,155.71
  6. Step 6: Final answer
    x = 672,465.02

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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.