Home / 974,639.60-1,460,015.40-857,740.40

Finding the Fourth Proportional to 974,639.60, 1,460,015.40 and 857,740.40

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Solution

The fourth proportional to 974,639.60, 1,460,015.40 and 857,740.40 is: 1,284,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,639.60 : 1,460,015.40 = 857,740.40 : x
  2. Step 2: Convert to fraction form
    974,639.60/1,460,015.40 = 857,740.40/x
  3. Step 3: Cross multiply
    974,639.60x = 1,460,015.40 × 857,740.40
  4. Step 4: Simplify right side
    974,639.60x = 1,252,314,193,202.16
  5. Step 5: Solve for x
    x = 1,252,314,193,202.16/974,639.60
  6. Step 6: Final answer
    x = 1,284,899.77

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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.