Home / 1,408,207.72-2,112,088.29-448,538.80

Finding the Fourth Proportional to 1,408,207.72, 2,112,088.29 and 448,538.80

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Solution

The fourth proportional to 1,408,207.72, 2,112,088.29 and 448,538.80 is: 672,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,207.72 : 2,112,088.29 = 448,538.80 : x
  2. Step 2: Convert to fraction form
    1,408,207.72/2,112,088.29 = 448,538.80/x
  3. Step 3: Cross multiply
    1,408,207.72x = 2,112,088.29 × 448,538.80
  4. Step 4: Simplify right side
    1,408,207.72x = 947,353,547,090.65
  5. Step 5: Solve for x
    x = 947,353,547,090.65/1,408,207.72
  6. Step 6: Final answer
    x = 672,737.08

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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.