Home / 1,036,138.40-1,554,258.80-538,474.40

Finding the Fourth Proportional to 1,036,138.40, 1,554,258.80 and 538,474.40

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Solution

The fourth proportional to 1,036,138.40, 1,554,258.80 and 538,474.40 is: 807,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,138.40 : 1,554,258.80 = 538,474.40 : x
  2. Step 2: Convert to fraction form
    1,036,138.40/1,554,258.80 = 538,474.40/x
  3. Step 3: Cross multiply
    1,036,138.40x = 1,554,258.80 × 538,474.40
  4. Step 4: Simplify right side
    1,036,138.40x = 836,928,574,774.72
  5. Step 5: Solve for x
    x = 836,928,574,774.72/1,036,138.40
  6. Step 6: Final answer
    x = 807,738.21

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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.