Home / 1,261,160.60-1,740,387.30-688,210.52

Finding the Fourth Proportional to 1,261,160.60, 1,740,387.30 and 688,210.52

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Solution

The fourth proportional to 1,261,160.60, 1,740,387.30 and 688,210.52 is: 949,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,160.60 : 1,740,387.30 = 688,210.52 : x
  2. Step 2: Convert to fraction form
    1,261,160.60/1,740,387.30 = 688,210.52/x
  3. Step 3: Cross multiply
    1,261,160.60x = 1,740,387.30 × 688,210.52
  4. Step 4: Simplify right side
    1,261,160.60x = 1,197,752,848,734.40
  5. Step 5: Solve for x
    x = 1,197,752,848,734.40/1,261,160.60
  6. Step 6: Final answer
    x = 949,722.70

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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.