Home / 1,248,072.40-1,872,108.60-449,477.20

Finding the Fourth Proportional to 1,248,072.40, 1,872,108.60 and 449,477.20

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Solution

The fourth proportional to 1,248,072.40, 1,872,108.60 and 449,477.20 is: 674,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,072.40 : 1,872,108.60 = 449,477.20 : x
  2. Step 2: Convert to fraction form
    1,248,072.40/1,872,108.60 = 449,477.20/x
  3. Step 3: Cross multiply
    1,248,072.40x = 1,872,108.60 × 449,477.20
  4. Step 4: Simplify right side
    1,248,072.40x = 841,470,131,623.92
  5. Step 5: Solve for x
    x = 841,470,131,623.92/1,248,072.40
  6. Step 6: Final answer
    x = 674,215.80

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1.5x scale

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.