Home / 1,620,178.38-2,430,237.47-483,711.12

Finding the Fourth Proportional to 1,620,178.38, 2,430,237.47 and 483,711.12

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Solution

The fourth proportional to 1,620,178.38, 2,430,237.47 and 483,711.12 is: 725,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,178.38 : 2,430,237.47 = 483,711.12 : x
  2. Step 2: Convert to fraction form
    1,620,178.38/2,430,237.47 = 483,711.12/x
  3. Step 3: Cross multiply
    1,620,178.38x = 2,430,237.47 × 483,711.12
  4. Step 4: Simplify right side
    1,620,178.38x = 1,175,532,886,061.11
  5. Step 5: Solve for x
    x = 1,175,532,886,061.11/1,620,178.38
  6. Step 6: Final answer
    x = 725,557.69

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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.