Home / 871,269.60-1,306,904.40-723,813.60

Finding the Fourth Proportional to 871,269.60, 1,306,904.40 and 723,813.60

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Solution

The fourth proportional to 871,269.60, 1,306,904.40 and 723,813.60 is: 1,085,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,269.60 : 1,306,904.40 = 723,813.60 : x
  2. Step 2: Convert to fraction form
    871,269.60/1,306,904.40 = 723,813.60/x
  3. Step 3: Cross multiply
    871,269.60x = 1,306,904.40 × 723,813.60
  4. Step 4: Simplify right side
    871,269.60x = 945,955,178,619.84
  5. Step 5: Solve for x
    x = 945,955,178,619.84/871,269.60
  6. Step 6: Final answer
    x = 1,085,720.40

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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.