Home / 1,427,131.02-2,141,011.30-416,332.02

Finding the Fourth Proportional to 1,427,131.02, 2,141,011.30 and 416,332.02

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Solution

The fourth proportional to 1,427,131.02, 2,141,011.30 and 416,332.02 is: 624,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,131.02 : 2,141,011.30 = 416,332.02 : x
  2. Step 2: Convert to fraction form
    1,427,131.02/2,141,011.30 = 416,332.02/x
  3. Step 3: Cross multiply
    1,427,131.02x = 2,141,011.30 × 416,332.02
  4. Step 4: Simplify right side
    1,427,131.02x = 891,371,559,371.83
  5. Step 5: Solve for x
    x = 891,371,559,371.83/1,427,131.02
  6. Step 6: Final answer
    x = 624,589.86

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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.