Home / 1,078,124.80-1,616,409.60-704,358.40

Finding the Fourth Proportional to 1,078,124.80, 1,616,409.60 and 704,358.40

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Solution

The fourth proportional to 1,078,124.80, 1,616,409.60 and 704,358.40 is: 1,056,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,124.80 : 1,616,409.60 = 704,358.40 : x
  2. Step 2: Convert to fraction form
    1,078,124.80/1,616,409.60 = 704,358.40/x
  3. Step 3: Cross multiply
    1,078,124.80x = 1,616,409.60 × 704,358.40
  4. Step 4: Simplify right side
    1,078,124.80x = 1,138,531,679,600.64
  5. Step 5: Solve for x
    x = 1,138,531,679,600.64/1,078,124.80
  6. Step 6: Final answer
    x = 1,056,029.58

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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.