Home / 1,409,057.74-2,113,724.97-398,187.46

Finding the Fourth Proportional to 1,409,057.74, 2,113,724.97 and 398,187.46

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Solution

The fourth proportional to 1,409,057.74, 2,113,724.97 and 398,187.46 is: 597,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,057.74 : 2,113,724.97 = 398,187.46 : x
  2. Step 2: Convert to fraction form
    1,409,057.74/2,113,724.97 = 398,187.46/x
  3. Step 3: Cross multiply
    1,409,057.74x = 2,113,724.97 × 398,187.46
  4. Step 4: Simplify right side
    1,409,057.74x = 841,658,779,585.03
  5. Step 5: Solve for x
    x = 841,658,779,585.03/1,409,057.74
  6. Step 6: Final answer
    x = 597,320.29

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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.