Home / 1,008,863.32-1,392,210.80-556,154.32

Finding the Fourth Proportional to 1,008,863.32, 1,392,210.80 and 556,154.32

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Solution

The fourth proportional to 1,008,863.32, 1,392,210.80 and 556,154.32 is: 767,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,863.32 : 1,392,210.80 = 556,154.32 : x
  2. Step 2: Convert to fraction form
    1,008,863.32/1,392,210.80 = 556,154.32/x
  3. Step 3: Cross multiply
    1,008,863.32x = 1,392,210.80 × 556,154.32
  4. Step 4: Simplify right side
    1,008,863.32x = 774,284,050,770.66
  5. Step 5: Solve for x
    x = 774,284,050,770.66/1,008,863.32
  6. Step 6: Final answer
    x = 767,481.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.