Home / 1,129,476.95-1,558,678.20-620,179.32

Finding the Fourth Proportional to 1,129,476.95, 1,558,678.20 and 620,179.32

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Solution

The fourth proportional to 1,129,476.95, 1,558,678.20 and 620,179.32 is: 855,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,476.95 : 1,558,678.20 = 620,179.32 : x
  2. Step 2: Convert to fraction form
    1,129,476.95/1,558,678.20 = 620,179.32/x
  3. Step 3: Cross multiply
    1,129,476.95x = 1,558,678.20 × 620,179.32
  4. Step 4: Simplify right side
    1,129,476.95x = 966,659,983,073.93
  5. Step 5: Solve for x
    x = 966,659,983,073.93/1,129,476.95
  6. Step 6: Final answer
    x = 855,847.47

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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.