Home / 1,365,539.70-2,047,655.25-645,281.94

Finding the Fourth Proportional to 1,365,539.70, 2,047,655.25 and 645,281.94

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Solution

The fourth proportional to 1,365,539.70, 2,047,655.25 and 645,281.94 is: 967,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,539.70 : 2,047,655.25 = 645,281.94 : x
  2. Step 2: Convert to fraction form
    1,365,539.70/2,047,655.25 = 645,281.94/x
  3. Step 3: Cross multiply
    1,365,539.70x = 2,047,655.25 × 645,281.94
  4. Step 4: Simplify right side
    1,365,539.70x = 1,321,314,952,171.18
  5. Step 5: Solve for x
    x = 1,321,314,952,171.18/1,365,539.70
  6. Step 6: Final answer
    x = 967,613.72

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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.