Home / 1,274,006.04-1,911,285.54-387,519

Finding the Fourth Proportional to 1,274,006.04, 1,911,285.54 and 387,519

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Solution

The fourth proportional to 1,274,006.04, 1,911,285.54 and 387,519 is: 581,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,006.04 : 1,911,285.54 = 387,519 : x
  2. Step 2: Convert to fraction form
    1,274,006.04/1,911,285.54 = 387,519/x
  3. Step 3: Cross multiply
    1,274,006.04x = 1,911,285.54 × 387,519
  4. Step 4: Simplify right side
    1,274,006.04x = 740,659,461,175.26
  5. Step 5: Solve for x
    x = 740,659,461,175.26/1,274,006.04
  6. Step 6: Final answer
    x = 581,362.60

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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.