Home / 908,383.20-1,362,574.80-859,394.40

Finding the Fourth Proportional to 908,383.20, 1,362,574.80 and 859,394.40

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Solution

The fourth proportional to 908,383.20, 1,362,574.80 and 859,394.40 is: 1,289,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,383.20 : 1,362,574.80 = 859,394.40 : x
  2. Step 2: Convert to fraction form
    908,383.20/1,362,574.80 = 859,394.40/x
  3. Step 3: Cross multiply
    908,383.20x = 1,362,574.80 × 859,394.40
  4. Step 4: Simplify right side
    908,383.20x = 1,170,989,152,701.12
  5. Step 5: Solve for x
    x = 1,170,989,152,701.12/908,383.20
  6. Step 6: Final answer
    x = 1,289,091.60

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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.