Home / 1,388,459.04-2,084,616-715,021.80

Finding the Fourth Proportional to 1,388,459.04, 2,084,616 and 715,021.80

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Solution

The fourth proportional to 1,388,459.04, 2,084,616 and 715,021.80 is: 1,073,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,459.04 : 2,084,616 = 715,021.80 : x
  2. Step 2: Convert to fraction form
    1,388,459.04/2,084,616 = 715,021.80/x
  3. Step 3: Cross multiply
    1,388,459.04x = 2,084,616 × 715,021.80
  4. Step 4: Simplify right side
    1,388,459.04x = 1,490,545,884,628.80
  5. Step 5: Solve for x
    x = 1,490,545,884,628.80/1,388,459.04
  6. Step 6: Final answer
    x = 1,073,525.28

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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.