Home / 1,268,943.01-1,898,966.47-909,510.02

Finding the Fourth Proportional to 1,268,943.01, 1,898,966.47 and 909,510.02

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Solution

The fourth proportional to 1,268,943.01, 1,898,966.47 and 909,510.02 is: 1,361,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,943.01 : 1,898,966.47 = 909,510.02 : x
  2. Step 2: Convert to fraction form
    1,268,943.01/1,898,966.47 = 909,510.02/x
  3. Step 3: Cross multiply
    1,268,943.01x = 1,898,966.47 × 909,510.02
  4. Step 4: Simplify right side
    1,268,943.01x = 1,727,129,022,614.20
  5. Step 5: Solve for x
    x = 1,727,129,022,614.20/1,268,943.01
  6. Step 6: Final answer
    x = 1,361,076.91

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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.