Home / 1,408,007.70-2,111,312.12-448,338.02

Finding the Fourth Proportional to 1,408,007.70, 2,111,312.12 and 448,338.02

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Solution

The fourth proportional to 1,408,007.70, 2,111,312.12 and 448,338.02 is: 672,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,007.70 : 2,111,312.12 = 448,338.02 : x
  2. Step 2: Convert to fraction form
    1,408,007.70/2,111,312.12 = 448,338.02/x
  3. Step 3: Cross multiply
    1,408,007.70x = 2,111,312.12 × 448,338.02
  4. Step 4: Simplify right side
    1,408,007.70x = 946,581,495,482.80
  5. Step 5: Solve for x
    x = 946,581,495,482.80/1,408,007.70
  6. Step 6: Final answer
    x = 672,284.32

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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.