Home / 1,292,864.48-1,784,205.60-719,868.32

Finding the Fourth Proportional to 1,292,864.48, 1,784,205.60 and 719,868.32

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Solution

The fourth proportional to 1,292,864.48, 1,784,205.60 and 719,868.32 is: 993,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,864.48 : 1,784,205.60 = 719,868.32 : x
  2. Step 2: Convert to fraction form
    1,292,864.48/1,784,205.60 = 719,868.32/x
  3. Step 3: Cross multiply
    1,292,864.48x = 1,784,205.60 × 719,868.32
  4. Step 4: Simplify right side
    1,292,864.48x = 1,284,393,087,806.59
  5. Step 5: Solve for x
    x = 1,284,393,087,806.59/1,292,864.48
  6. Step 6: Final answer
    x = 993,447.58

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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.