Home / 1,274,003.04-1,911,281.04-387,516

Finding the Fourth Proportional to 1,274,003.04, 1,911,281.04 and 387,516

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Solution

The fourth proportional to 1,274,003.04, 1,911,281.04 and 387,516 is: 581,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,003.04 : 1,911,281.04 = 387,516 : x
  2. Step 2: Convert to fraction form
    1,274,003.04/1,911,281.04 = 387,516/x
  3. Step 3: Cross multiply
    1,274,003.04x = 1,911,281.04 × 387,516
  4. Step 4: Simplify right side
    1,274,003.04x = 740,651,983,496.64
  5. Step 5: Solve for x
    x = 740,651,983,496.64/1,274,003.04
  6. Step 6: Final answer
    x = 581,358.10

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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.