Home / 1,248,476.20-1,872,714.30-449,783.80

Finding the Fourth Proportional to 1,248,476.20, 1,872,714.30 and 449,783.80

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Solution

The fourth proportional to 1,248,476.20, 1,872,714.30 and 449,783.80 is: 674,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,476.20 : 1,872,714.30 = 449,783.80 : x
  2. Step 2: Convert to fraction form
    1,248,476.20/1,872,714.30 = 449,783.80/x
  3. Step 3: Cross multiply
    1,248,476.20x = 1,872,714.30 × 449,783.80
  4. Step 4: Simplify right side
    1,248,476.20x = 842,316,554,168.34
  5. Step 5: Solve for x
    x = 842,316,554,168.34/1,248,476.20
  6. Step 6: Final answer
    x = 674,675.70

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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.