Home / 1,640,072.70-2,460,109.05-576,315.90

Finding the Fourth Proportional to 1,640,072.70, 2,460,109.05 and 576,315.90

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Solution

The fourth proportional to 1,640,072.70, 2,460,109.05 and 576,315.90 is: 864,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,072.70 : 2,460,109.05 = 576,315.90 : x
  2. Step 2: Convert to fraction form
    1,640,072.70/2,460,109.05 = 576,315.90/x
  3. Step 3: Cross multiply
    1,640,072.70x = 2,460,109.05 × 576,315.90
  4. Step 4: Simplify right side
    1,640,072.70x = 1,417,799,961,248.90
  5. Step 5: Solve for x
    x = 1,417,799,961,248.90/1,640,072.70
  6. Step 6: Final answer
    x = 864,473.85

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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.