Home / 885,271.60-1,327,907.40-865,588.60

Finding the Fourth Proportional to 885,271.60, 1,327,907.40 and 865,588.60

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Solution

The fourth proportional to 885,271.60, 1,327,907.40 and 865,588.60 is: 1,298,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,271.60 : 1,327,907.40 = 865,588.60 : x
  2. Step 2: Convert to fraction form
    885,271.60/1,327,907.40 = 865,588.60/x
  3. Step 3: Cross multiply
    885,271.60x = 1,327,907.40 × 865,588.60
  4. Step 4: Simplify right side
    885,271.60x = 1,149,421,507,295.64
  5. Step 5: Solve for x
    x = 1,149,421,507,295.64/885,271.60
  6. Step 6: Final answer
    x = 1,298,382.90

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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.