Home / 1,274,005.04-1,911,284.04-387,518

Finding the Fourth Proportional to 1,274,005.04, 1,911,284.04 and 387,518

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Solution

The fourth proportional to 1,274,005.04, 1,911,284.04 and 387,518 is: 581,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,005.04 : 1,911,284.04 = 387,518 : x
  2. Step 2: Convert to fraction form
    1,274,005.04/1,911,284.04 = 387,518/x
  3. Step 3: Cross multiply
    1,274,005.04x = 1,911,284.04 × 387,518
  4. Step 4: Simplify right side
    1,274,005.04x = 740,656,968,612.72
  5. Step 5: Solve for x
    x = 740,656,968,612.72/1,274,005.04
  6. Step 6: Final answer
    x = 581,361.10

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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.