Home / 1,240,701.60-1,861,052.40-708,276.45

Finding the Fourth Proportional to 1,240,701.60, 1,861,052.40 and 708,276.45

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Solution

The fourth proportional to 1,240,701.60, 1,861,052.40 and 708,276.45 is: 1,062,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,701.60 : 1,861,052.40 = 708,276.45 : x
  2. Step 2: Convert to fraction form
    1,240,701.60/1,861,052.40 = 708,276.45/x
  3. Step 3: Cross multiply
    1,240,701.60x = 1,861,052.40 × 708,276.45
  4. Step 4: Simplify right side
    1,240,701.60x = 1,318,139,587,135.98
  5. Step 5: Solve for x
    x = 1,318,139,587,135.98/1,240,701.60
  6. Step 6: Final answer
    x = 1,062,414.68

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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.