Home / 1,292,865.48-1,784,206.98-719,869.32

Finding the Fourth Proportional to 1,292,865.48, 1,784,206.98 and 719,869.32

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Solution

The fourth proportional to 1,292,865.48, 1,784,206.98 and 719,869.32 is: 993,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,865.48 : 1,784,206.98 = 719,869.32 : x
  2. Step 2: Convert to fraction form
    1,292,865.48/1,784,206.98 = 719,869.32/x
  3. Step 3: Cross multiply
    1,292,865.48x = 1,784,206.98 × 719,869.32
  4. Step 4: Simplify right side
    1,292,865.48x = 1,284,395,865,431.85
  5. Step 5: Solve for x
    x = 1,284,395,865,431.85/1,292,865.48
  6. Step 6: Final answer
    x = 993,448.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.