Home / 1,043,979.60-1,565,969.40-712,203.60

Finding the Fourth Proportional to 1,043,979.60, 1,565,969.40 and 712,203.60

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Solution

The fourth proportional to 1,043,979.60, 1,565,969.40 and 712,203.60 is: 1,068,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,979.60 : 1,565,969.40 = 712,203.60 : x
  2. Step 2: Convert to fraction form
    1,043,979.60/1,565,969.40 = 712,203.60/x
  3. Step 3: Cross multiply
    1,043,979.60x = 1,565,969.40 × 712,203.60
  4. Step 4: Simplify right side
    1,043,979.60x = 1,115,289,044,169.84
  5. Step 5: Solve for x
    x = 1,115,289,044,169.84/1,043,979.60
  6. Step 6: Final answer
    x = 1,068,305.40

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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.