Home / 1,545,903.80-2,318,855.70-914,492.60

Finding the Fourth Proportional to 1,545,903.80, 2,318,855.70 and 914,492.60

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Solution

The fourth proportional to 1,545,903.80, 2,318,855.70 and 914,492.60 is: 1,371,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,903.80 : 2,318,855.70 = 914,492.60 : x
  2. Step 2: Convert to fraction form
    1,545,903.80/2,318,855.70 = 914,492.60/x
  3. Step 3: Cross multiply
    1,545,903.80x = 2,318,855.70 × 914,492.60
  4. Step 4: Simplify right side
    1,545,903.80x = 2,120,576,378,117.82
  5. Step 5: Solve for x
    x = 2,120,576,378,117.82/1,545,903.80
  6. Step 6: Final answer
    x = 1,371,738.90

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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.