Home / 1,318,588.76-1,975,323.92-971,742.32

Finding the Fourth Proportional to 1,318,588.76, 1,975,323.92 and 971,742.32

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Solution

The fourth proportional to 1,318,588.76, 1,975,323.92 and 971,742.32 is: 1,455,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,588.76 : 1,975,323.92 = 971,742.32 : x
  2. Step 2: Convert to fraction form
    1,318,588.76/1,975,323.92 = 971,742.32/x
  3. Step 3: Cross multiply
    1,318,588.76x = 1,975,323.92 × 971,742.32
  4. Step 4: Simplify right side
    1,318,588.76x = 1,919,505,844,177.45
  5. Step 5: Solve for x
    x = 1,919,505,844,177.45/1,318,588.76
  6. Step 6: Final answer
    x = 1,455,727.45

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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.