Home / 908,215.60-1,359,990.60-720,036.40

Finding the Fourth Proportional to 908,215.60, 1,359,990.60 and 720,036.40

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Solution

The fourth proportional to 908,215.60, 1,359,990.60 and 720,036.40 is: 1,078,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,215.60 : 1,359,990.60 = 720,036.40 : x
  2. Step 2: Convert to fraction form
    908,215.60/1,359,990.60 = 720,036.40/x
  3. Step 3: Cross multiply
    908,215.60x = 1,359,990.60 × 720,036.40
  4. Step 4: Simplify right side
    908,215.60x = 979,242,735,657.84
  5. Step 5: Solve for x
    x = 979,242,735,657.84/908,215.60
  6. Step 6: Final answer
    x = 1,078,205.15

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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.