Home / 1,450,359.19-2,001,378.34-838,551.21

Finding the Fourth Proportional to 1,450,359.19, 2,001,378.34 and 838,551.21

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Solution

The fourth proportional to 1,450,359.19, 2,001,378.34 and 838,551.21 is: 1,157,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,359.19 : 2,001,378.34 = 838,551.21 : x
  2. Step 2: Convert to fraction form
    1,450,359.19/2,001,378.34 = 838,551.21/x
  3. Step 3: Cross multiply
    1,450,359.19x = 2,001,378.34 × 838,551.21
  4. Step 4: Simplify right side
    1,450,359.19x = 1,678,258,222,217.81
  5. Step 5: Solve for x
    x = 1,678,258,222,217.81/1,450,359.19
  6. Step 6: Final answer
    x = 1,157,132.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.