Home / 1,088,025.60-1,632,038.40-689,116.80

Finding the Fourth Proportional to 1,088,025.60, 1,632,038.40 and 689,116.80

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Solution

The fourth proportional to 1,088,025.60, 1,632,038.40 and 689,116.80 is: 1,033,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,025.60 : 1,632,038.40 = 689,116.80 : x
  2. Step 2: Convert to fraction form
    1,088,025.60/1,632,038.40 = 689,116.80/x
  3. Step 3: Cross multiply
    1,088,025.60x = 1,632,038.40 × 689,116.80
  4. Step 4: Simplify right side
    1,088,025.60x = 1,124,665,079,685.12
  5. Step 5: Solve for x
    x = 1,124,665,079,685.12/1,088,025.60
  6. Step 6: Final answer
    x = 1,033,675.20

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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.