Home / 1,371,948.10-2,057,999.91-425,453.38

Finding the Fourth Proportional to 1,371,948.10, 2,057,999.91 and 425,453.38

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Solution

The fourth proportional to 1,371,948.10, 2,057,999.91 and 425,453.38 is: 638,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,948.10 : 2,057,999.91 = 425,453.38 : x
  2. Step 2: Convert to fraction form
    1,371,948.10/2,057,999.91 = 425,453.38/x
  3. Step 3: Cross multiply
    1,371,948.10x = 2,057,999.91 × 425,453.38
  4. Step 4: Simplify right side
    1,371,948.10x = 875,583,017,749.20
  5. Step 5: Solve for x
    x = 875,583,017,749.20/1,371,948.10
  6. Step 6: Final answer
    x = 638,204.18

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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.