Home / 1,399,252.40-2,098,878.60-512,673.20

Finding the Fourth Proportional to 1,399,252.40, 2,098,878.60 and 512,673.20

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Solution

The fourth proportional to 1,399,252.40, 2,098,878.60 and 512,673.20 is: 769,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,252.40 : 2,098,878.60 = 512,673.20 : x
  2. Step 2: Convert to fraction form
    1,399,252.40/2,098,878.60 = 512,673.20/x
  3. Step 3: Cross multiply
    1,399,252.40x = 2,098,878.60 × 512,673.20
  4. Step 4: Simplify right side
    1,399,252.40x = 1,076,038,808,273.52
  5. Step 5: Solve for x
    x = 1,076,038,808,273.52/1,399,252.40
  6. Step 6: Final answer
    x = 769,009.80

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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.