Home / 879,061.60-1,318,592.40-726,846.40

Finding the Fourth Proportional to 879,061.60, 1,318,592.40 and 726,846.40

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Solution

The fourth proportional to 879,061.60, 1,318,592.40 and 726,846.40 is: 1,090,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,061.60 : 1,318,592.40 = 726,846.40 : x
  2. Step 2: Convert to fraction form
    879,061.60/1,318,592.40 = 726,846.40/x
  3. Step 3: Cross multiply
    879,061.60x = 1,318,592.40 × 726,846.40
  4. Step 4: Simplify right side
    879,061.60x = 958,414,139,007.36
  5. Step 5: Solve for x
    x = 958,414,139,007.36/879,061.60
  6. Step 6: Final answer
    x = 1,090,269.60

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1.5x scale

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.