Home / 1,683,820.02-2,525,426.54-485,447.90

Finding the Fourth Proportional to 1,683,820.02, 2,525,426.54 and 485,447.90

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Solution

The fourth proportional to 1,683,820.02, 2,525,426.54 and 485,447.90 is: 728,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,820.02 : 2,525,426.54 = 485,447.90 : x
  2. Step 2: Convert to fraction form
    1,683,820.02/2,525,426.54 = 485,447.90/x
  3. Step 3: Cross multiply
    1,683,820.02x = 2,525,426.54 × 485,447.90
  4. Step 4: Simplify right side
    1,683,820.02x = 1,225,963,010,447.27
  5. Step 5: Solve for x
    x = 1,225,963,010,447.27/1,683,820.02
  6. Step 6: Final answer
    x = 728,084.35

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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.