Home / 1,152,208.20-1,728,312.30-1,012,240.20

Finding the Fourth Proportional to 1,152,208.20, 1,728,312.30 and 1,012,240.20

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Solution

The fourth proportional to 1,152,208.20, 1,728,312.30 and 1,012,240.20 is: 1,518,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,208.20 : 1,728,312.30 = 1,012,240.20 : x
  2. Step 2: Convert to fraction form
    1,152,208.20/1,728,312.30 = 1,012,240.20/x
  3. Step 3: Cross multiply
    1,152,208.20x = 1,728,312.30 × 1,012,240.20
  4. Step 4: Simplify right side
    1,152,208.20x = 1,749,467,188,214.46
  5. Step 5: Solve for x
    x = 1,749,467,188,214.46/1,152,208.20
  6. Step 6: Final answer
    x = 1,518,360.30

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Similar ratio
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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.