Home / 1,365,568.76-2,047,698.72-645,311

Finding the Fourth Proportional to 1,365,568.76, 2,047,698.72 and 645,311

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Solution

The fourth proportional to 1,365,568.76, 2,047,698.72 and 645,311 is: 967,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,568.76 : 2,047,698.72 = 645,311 : x
  2. Step 2: Convert to fraction form
    1,365,568.76/2,047,698.72 = 645,311/x
  3. Step 3: Cross multiply
    1,365,568.76x = 2,047,698.72 × 645,311
  4. Step 4: Simplify right side
    1,365,568.76x = 1,321,402,508,701.92
  5. Step 5: Solve for x
    x = 1,321,402,508,701.92/1,365,568.76
  6. Step 6: Final answer
    x = 967,657.25

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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.