Home / 1,012,258.80-1,518,971.40-381,625.20

Finding the Fourth Proportional to 1,012,258.80, 1,518,971.40 and 381,625.20

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Solution

The fourth proportional to 1,012,258.80, 1,518,971.40 and 381,625.20 is: 572,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,258.80 : 1,518,971.40 = 381,625.20 : x
  2. Step 2: Convert to fraction form
    1,012,258.80/1,518,971.40 = 381,625.20/x
  3. Step 3: Cross multiply
    1,012,258.80x = 1,518,971.40 × 381,625.20
  4. Step 4: Simplify right side
    1,012,258.80x = 579,677,764,319.28
  5. Step 5: Solve for x
    x = 579,677,764,319.28/1,012,258.80
  6. Step 6: Final answer
    x = 572,657.67

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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.