Home / 908,121.60-1,362,182.40-821,030.40

Finding the Fourth Proportional to 908,121.60, 1,362,182.40 and 821,030.40

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Solution

The fourth proportional to 908,121.60, 1,362,182.40 and 821,030.40 is: 1,231,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,121.60 : 1,362,182.40 = 821,030.40 : x
  2. Step 2: Convert to fraction form
    908,121.60/1,362,182.40 = 821,030.40/x
  3. Step 3: Cross multiply
    908,121.60x = 1,362,182.40 × 821,030.40
  4. Step 4: Simplify right side
    908,121.60x = 1,118,393,160,744.96
  5. Step 5: Solve for x
    x = 1,118,393,160,744.96/908,121.60
  6. Step 6: Final answer
    x = 1,231,545.60

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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.