Home / 1,437,422.58-2,155,667.43-477,620.46

Finding the Fourth Proportional to 1,437,422.58, 2,155,667.43 and 477,620.46

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Solution

The fourth proportional to 1,437,422.58, 2,155,667.43 and 477,620.46 is: 716,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,422.58 : 2,155,667.43 = 477,620.46 : x
  2. Step 2: Convert to fraction form
    1,437,422.58/2,155,667.43 = 477,620.46/x
  3. Step 3: Cross multiply
    1,437,422.58x = 2,155,667.43 × 477,620.46
  4. Step 4: Simplify right side
    1,437,422.58x = 1,029,590,869,523.62
  5. Step 5: Solve for x
    x = 1,029,590,869,523.62/1,437,422.58
  6. Step 6: Final answer
    x = 716,275.70

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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.