Home / 983,430.60-1,471,646.70-682,499.40

Finding the Fourth Proportional to 983,430.60, 1,471,646.70 and 682,499.40

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Solution

The fourth proportional to 983,430.60, 1,471,646.70 and 682,499.40 is: 1,021,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,430.60 : 1,471,646.70 = 682,499.40 : x
  2. Step 2: Convert to fraction form
    983,430.60/1,471,646.70 = 682,499.40/x
  3. Step 3: Cross multiply
    983,430.60x = 1,471,646.70 × 682,499.40
  4. Step 4: Simplify right side
    983,430.60x = 1,004,397,989,761.98
  5. Step 5: Solve for x
    x = 1,004,397,989,761.98/983,430.60
  6. Step 6: Final answer
    x = 1,021,320.66

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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.