Home / 1,008,813.84-1,392,162.60-556,112.40

Finding the Fourth Proportional to 1,008,813.84, 1,392,162.60 and 556,112.40

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Solution

The fourth proportional to 1,008,813.84, 1,392,162.60 and 556,112.40 is: 767,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,813.84 : 1,392,162.60 = 556,112.40 : x
  2. Step 2: Convert to fraction form
    1,008,813.84/1,392,162.60 = 556,112.40/x
  3. Step 3: Cross multiply
    1,008,813.84x = 1,392,162.60 × 556,112.40
  4. Step 4: Simplify right side
    1,008,813.84x = 774,198,884,676.24
  5. Step 5: Solve for x
    x = 774,198,884,676.24/1,008,813.84
  6. Step 6: Final answer
    x = 767,434.84

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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.