Home / 729,123.60-1,093,685.40-684,800.40

Finding the Fourth Proportional to 729,123.60, 1,093,685.40 and 684,800.40

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Solution

The fourth proportional to 729,123.60, 1,093,685.40 and 684,800.40 is: 1,027,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,123.60 : 1,093,685.40 = 684,800.40 : x
  2. Step 2: Convert to fraction form
    729,123.60/1,093,685.40 = 684,800.40/x
  3. Step 3: Cross multiply
    729,123.60x = 1,093,685.40 × 684,800.40
  4. Step 4: Simplify right side
    729,123.60x = 748,956,199,394.16
  5. Step 5: Solve for x
    x = 748,956,199,394.16/729,123.60
  6. Step 6: Final answer
    x = 1,027,200.60

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1.5x scale

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.