Home / 1,077,510-1,616,881.32-545,074.32

Finding the Fourth Proportional to 1,077,510, 1,616,881.32 and 545,074.32

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Solution

The fourth proportional to 1,077,510, 1,616,881.32 and 545,074.32 is: 817,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,510 : 1,616,881.32 = 545,074.32 : x
  2. Step 2: Convert to fraction form
    1,077,510/1,616,881.32 = 545,074.32/x
  3. Step 3: Cross multiply
    1,077,510x = 1,616,881.32 × 545,074.32
  4. Step 4: Simplify right side
    1,077,510x = 881,320,486,019.70
  5. Step 5: Solve for x
    x = 881,320,486,019.70/1,077,510
  6. Step 6: Final answer
    x = 817,923.25

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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.