Home / 1,422,718.40-2,136,535.20-759,166.40

Finding the Fourth Proportional to 1,422,718.40, 2,136,535.20 and 759,166.40

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Solution

The fourth proportional to 1,422,718.40, 2,136,535.20 and 759,166.40 is: 1,140,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,718.40 : 2,136,535.20 = 759,166.40 : x
  2. Step 2: Convert to fraction form
    1,422,718.40/2,136,535.20 = 759,166.40/x
  3. Step 3: Cross multiply
    1,422,718.40x = 2,136,535.20 × 759,166.40
  4. Step 4: Simplify right side
    1,422,718.40x = 1,621,985,736,257.28
  5. Step 5: Solve for x
    x = 1,621,985,736,257.28/1,422,718.40
  6. Step 6: Final answer
    x = 1,140,060.98

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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.