Home / 983,437.60-1,471,657.20-682,506.40

Finding the Fourth Proportional to 983,437.60, 1,471,657.20 and 682,506.40

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Solution

The fourth proportional to 983,437.60, 1,471,657.20 and 682,506.40 is: 1,021,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,437.60 : 1,471,657.20 = 682,506.40 : x
  2. Step 2: Convert to fraction form
    983,437.60/1,471,657.20 = 682,506.40/x
  3. Step 3: Cross multiply
    983,437.60x = 1,471,657.20 × 682,506.40
  4. Step 4: Simplify right side
    983,437.60x = 1,004,415,457,606.08
  5. Step 5: Solve for x
    x = 1,004,415,457,606.08/983,437.60
  6. Step 6: Final answer
    x = 1,021,331.15

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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.