Home / 1,388,450.04-2,084,602.50-715,012.80

Finding the Fourth Proportional to 1,388,450.04, 2,084,602.50 and 715,012.80

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Solution

The fourth proportional to 1,388,450.04, 2,084,602.50 and 715,012.80 is: 1,073,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,450.04 : 2,084,602.50 = 715,012.80 : x
  2. Step 2: Convert to fraction form
    1,388,450.04/2,084,602.50 = 715,012.80/x
  3. Step 3: Cross multiply
    1,388,450.04x = 2,084,602.50 × 715,012.80
  4. Step 4: Simplify right side
    1,388,450.04x = 1,490,517,470,412
  5. Step 5: Solve for x
    x = 1,490,517,470,412/1,388,450.04
  6. Step 6: Final answer
    x = 1,073,511.78

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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.