Home / 1,510,588.80-2,265,883.20-838,742.40

Finding the Fourth Proportional to 1,510,588.80, 2,265,883.20 and 838,742.40

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Solution

The fourth proportional to 1,510,588.80, 2,265,883.20 and 838,742.40 is: 1,258,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,588.80 : 2,265,883.20 = 838,742.40 : x
  2. Step 2: Convert to fraction form
    1,510,588.80/2,265,883.20 = 838,742.40/x
  3. Step 3: Cross multiply
    1,510,588.80x = 2,265,883.20 × 838,742.40
  4. Step 4: Simplify right side
    1,510,588.80x = 1,900,492,313,287.68
  5. Step 5: Solve for x
    x = 1,900,492,313,287.68/1,510,588.80
  6. Step 6: Final answer
    x = 1,258,113.60

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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.