Home / 983,406.30-1,475,109.45-867,932.70

Finding the Fourth Proportional to 983,406.30, 1,475,109.45 and 867,932.70

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Solution

The fourth proportional to 983,406.30, 1,475,109.45 and 867,932.70 is: 1,301,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,406.30 : 1,475,109.45 = 867,932.70 : x
  2. Step 2: Convert to fraction form
    983,406.30/1,475,109.45 = 867,932.70/x
  3. Step 3: Cross multiply
    983,406.30x = 1,475,109.45 × 867,932.70
  4. Step 4: Simplify right side
    983,406.30x = 1,280,295,727,734.01
  5. Step 5: Solve for x
    x = 1,280,295,727,734.01/983,406.30
  6. Step 6: Final answer
    x = 1,301,899.05

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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.