Home / 1,628,529-2,440,302.36-870,478.32

Finding the Fourth Proportional to 1,628,529, 2,440,302.36 and 870,478.32

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Solution

The fourth proportional to 1,628,529, 2,440,302.36 and 870,478.32 is: 1,304,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,529 : 2,440,302.36 = 870,478.32 : x
  2. Step 2: Convert to fraction form
    1,628,529/2,440,302.36 = 870,478.32/x
  3. Step 3: Cross multiply
    1,628,529x = 2,440,302.36 × 870,478.32
  4. Step 4: Simplify right side
    1,628,529x = 2,124,230,298,624.84
  5. Step 5: Solve for x
    x = 2,124,230,298,624.84/1,628,529
  6. Step 6: Final answer
    x = 1,304,385.92

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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.