Home / 1,011,362.76-1,395,680.64-558,653.76

Finding the Fourth Proportional to 1,011,362.76, 1,395,680.64 and 558,653.76

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Solution

The fourth proportional to 1,011,362.76, 1,395,680.64 and 558,653.76 is: 770,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,362.76 : 1,395,680.64 = 558,653.76 : x
  2. Step 2: Convert to fraction form
    1,011,362.76/1,395,680.64 = 558,653.76/x
  3. Step 3: Cross multiply
    1,011,362.76x = 1,395,680.64 × 558,653.76
  4. Step 4: Simplify right side
    1,011,362.76x = 779,702,237,295.21
  5. Step 5: Solve for x
    x = 779,702,237,295.21/1,011,362.76
  6. Step 6: Final answer
    x = 770,942.21

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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.