Home / 1,275,107.32-1,911,225.62-556,054.12

Finding the Fourth Proportional to 1,275,107.32, 1,911,225.62 and 556,054.12

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Solution

The fourth proportional to 1,275,107.32, 1,911,225.62 and 556,054.12 is: 833,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,107.32 : 1,911,225.62 = 556,054.12 : x
  2. Step 2: Convert to fraction form
    1,275,107.32/1,911,225.62 = 556,054.12/x
  3. Step 3: Cross multiply
    1,275,107.32x = 1,911,225.62 × 556,054.12
  4. Step 4: Simplify right side
    1,275,107.32x = 1,062,744,880,250.55
  5. Step 5: Solve for x
    x = 1,062,744,880,250.55/1,275,107.32
  6. Step 6: Final answer
    x = 833,455.24

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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.