Home / 1,306,106.81-1,959,091.02-407,445.56

Finding the Fourth Proportional to 1,306,106.81, 1,959,091.02 and 407,445.56

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Solution

The fourth proportional to 1,306,106.81, 1,959,091.02 and 407,445.56 is: 611,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,106.81 : 1,959,091.02 = 407,445.56 : x
  2. Step 2: Convert to fraction form
    1,306,106.81/1,959,091.02 = 407,445.56/x
  3. Step 3: Cross multiply
    1,306,106.81x = 1,959,091.02 × 407,445.56
  4. Step 4: Simplify right side
    1,306,106.81x = 798,222,927,939.42
  5. Step 5: Solve for x
    x = 798,222,927,939.42/1,306,106.81
  6. Step 6: Final answer
    x = 611,146.75

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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.