Home / 1,388,451.04-2,084,604-715,013.80

Finding the Fourth Proportional to 1,388,451.04, 2,084,604 and 715,013.80

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Solution

The fourth proportional to 1,388,451.04, 2,084,604 and 715,013.80 is: 1,073,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,451.04 : 2,084,604 = 715,013.80 : x
  2. Step 2: Convert to fraction form
    1,388,451.04/2,084,604 = 715,013.80/x
  3. Step 3: Cross multiply
    1,388,451.04x = 2,084,604 × 715,013.80
  4. Step 4: Simplify right side
    1,388,451.04x = 1,490,520,627,535.20
  5. Step 5: Solve for x
    x = 1,490,520,627,535.20/1,388,451.04
  6. Step 6: Final answer
    x = 1,073,513.28

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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.