Home / 1,180,427.20-1,770,640.80-470,964.40

Finding the Fourth Proportional to 1,180,427.20, 1,770,640.80 and 470,964.40

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Solution

The fourth proportional to 1,180,427.20, 1,770,640.80 and 470,964.40 is: 706,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,427.20 : 1,770,640.80 = 470,964.40 : x
  2. Step 2: Convert to fraction form
    1,180,427.20/1,770,640.80 = 470,964.40/x
  3. Step 3: Cross multiply
    1,180,427.20x = 1,770,640.80 × 470,964.40
  4. Step 4: Simplify right side
    1,180,427.20x = 833,908,781,987.52
  5. Step 5: Solve for x
    x = 833,908,781,987.52/1,180,427.20
  6. Step 6: Final answer
    x = 706,446.60

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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.